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datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/common/abstracts/featureselectors/AbstractScoreBasedFeatureSelector.java
AbstractScoreBasedFeatureSelector.keepTopFeatures
protected void keepTopFeatures(Map<Object, Double> featureScores, int maxFeatures) { logger.debug("keepTopFeatures()"); logger.debug("Estimating the minPermittedScore"); Double minPermittedScore = SelectKth.largest(featureScores.values().iterator(), maxFeatures); //remove any entry wit...
java
protected void keepTopFeatures(Map<Object, Double> featureScores, int maxFeatures) { logger.debug("keepTopFeatures()"); logger.debug("Estimating the minPermittedScore"); Double minPermittedScore = SelectKth.largest(featureScores.values().iterator(), maxFeatures); //remove any entry wit...
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This method keeps the highest scoring features of the provided feature map and removes all the others. @param featureScores @param maxFeatures
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/common/abstracts/featureselectors/AbstractScoreBasedFeatureSelector.java#L176-L205
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/common/abstracts/featureselectors/AbstractScoreBasedFeatureSelector.java
AbstractScoreBasedFeatureSelector.removeRareFeatures
protected void removeRareFeatures(Map<Object, Double> featureCounts, int rareFeatureThreshold) { logger.debug("removeRareFeatures()"); Iterator<Map.Entry<Object, Double>> it = featureCounts.entrySet().iterator(); while(it.hasNext()) { Map.Entry<Object, Double> entry = it.next(); ...
java
protected void removeRareFeatures(Map<Object, Double> featureCounts, int rareFeatureThreshold) { logger.debug("removeRareFeatures()"); Iterator<Map.Entry<Object, Double>> it = featureCounts.entrySet().iterator(); while(it.hasNext()) { Map.Entry<Object, Double> entry = it.next(); ...
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Removes any feature with less occurrences than the threshold. @param featureCounts @param rareFeatureThreshold
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/sampling/StratifiedSampling.java
StratifiedSampling.weightedProbabilitySampling
public static TransposeDataCollection weightedProbabilitySampling(AssociativeArray2D strataFrequencyTable, AssociativeArray nh, boolean withReplacement) { TransposeDataCollection sampledIds = new TransposeDataCollection(); for(Map.Entry<Object, AssociativeArray> entry : strataFrequencyTable.entryS...
java
public static TransposeDataCollection weightedProbabilitySampling(AssociativeArray2D strataFrequencyTable, AssociativeArray nh, boolean withReplacement) { TransposeDataCollection sampledIds = new TransposeDataCollection(); for(Map.Entry<Object, AssociativeArray> entry : strataFrequencyTable.entryS...
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Samples nh ids from each strata based on their Frequency Table @param strataFrequencyTable @param nh @param withReplacement @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/sampling/StratifiedSampling.java
StratifiedSampling.randomSampling
public static TransposeDataCollection randomSampling(TransposeDataList strataIdList, AssociativeArray nh, boolean withReplacement) { TransposeDataCollection sampledIds = new TransposeDataCollection(); for(Map.Entry<Object, FlatDataList> entry : strataIdList.entrySet()) { Object strata =...
java
public static TransposeDataCollection randomSampling(TransposeDataList strataIdList, AssociativeArray nh, boolean withReplacement) { TransposeDataCollection sampledIds = new TransposeDataCollection(); for(Map.Entry<Object, FlatDataList> entry : strataIdList.entrySet()) { Object strata =...
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Samples nh ids from each strata by using Stratified Sampling @param strataIdList @param nh @param withReplacement @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/sampling/StratifiedSampling.java
StratifiedSampling.variance
public static double variance(TransposeDataCollection sampleDataCollection, AssociativeArray populationNh) { double variance = 0.0; int populationN = 0; double mean = mean(sampleDataCollection, populationNh); for(Map.Entry<Object, FlatDataCollection> entry : sa...
java
public static double variance(TransposeDataCollection sampleDataCollection, AssociativeArray populationNh) { double variance = 0.0; int populationN = 0; double mean = mean(sampleDataCollection, populationNh); for(Map.Entry<Object, FlatDataCollection> entry : sa...
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Calculate the variance from the sample @param sampleDataCollection @param populationNh @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/sampling/StratifiedSampling.java
StratifiedSampling.std
public static double std(TransposeDataCollection sampleDataCollection, AssociativeArray populationNh) { return Math.sqrt(variance(sampleDataCollection, populationNh)); }
java
public static double std(TransposeDataCollection sampleDataCollection, AssociativeArray populationNh) { return Math.sqrt(variance(sampleDataCollection, populationNh)); }
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Calculate the standard deviation of the sample @param sampleDataCollection @param populationNh @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/sampling/StratifiedSampling.java
StratifiedSampling.optimumSampleSize
public static AssociativeArray optimumSampleSize(int n, AssociativeArray populationNh, AssociativeArray populationStdh) { AssociativeArray nh = new AssociativeArray(); double sumNhSh = 0.0; for(Map.Entry<Object, Object> entry : populationNh.entrySet()) { Object strata = entr...
java
public static AssociativeArray optimumSampleSize(int n, AssociativeArray populationNh, AssociativeArray populationStdh) { AssociativeArray nh = new AssociativeArray(); double sumNhSh = 0.0; for(Map.Entry<Object, Object> entry : populationNh.entrySet()) { Object strata = entr...
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Returns the optimum sample size per strata under Neyman Allocation @param n @param populationNh @param populationStdh @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ThreadMethods.java
ThreadMethods.throttledExecution
public static <T> void throttledExecution(Stream<T> stream, Consumer<T> consumer, ConcurrencyConfiguration concurrencyConfiguration) { if(concurrencyConfiguration.isParallelized()) { int maxThreads = concurrencyConfiguration.getMaxNumberOfThreadsPerTask(); int maxTasks = 2*maxThreads; ...
java
public static <T> void throttledExecution(Stream<T> stream, Consumer<T> consumer, ConcurrencyConfiguration concurrencyConfiguration) { if(concurrencyConfiguration.isParallelized()) { int maxThreads = concurrencyConfiguration.getMaxNumberOfThreadsPerTask(); int maxTasks = 2*maxThreads; ...
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Takes the items of the stream in a throttled way and provides them to the consumer. It uses as many threads as the available processors and it does not start more tasks than 2 times the previous number. @param <T> @param stream @param consumer @param concurrencyConfiguration
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.betinc
protected static double betinc(double x, double A, double B) { double A0=0.0; double B0=1.0; double A1=1.0; double B1=1.0; double M9=0.0; double A2=0.0; while (Math.abs((A1-A2)/A1)>0.00001) { A2=A1; double C9=-(A+M9)*(A+B+M9)*x/(A+2.0*M9)/(...
java
protected static double betinc(double x, double A, double B) { double A0=0.0; double B0=1.0; double A1=1.0; double B1=1.0; double M9=0.0; double A2=0.0; while (Math.abs((A1-A2)/A1)>0.00001) { A2=A1; double C9=-(A+M9)*(A+B+M9)*x/(A+2.0*M9)/(...
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Internal function used by StudentCdf @param x @param A @param B @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.exponentialCdf
public static double exponentialCdf(double x, double lamda) { if(x<0 || lamda<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probability = 1.0 - Math.exp(-lamda*x); return probability; }
java
public static double exponentialCdf(double x, double lamda) { if(x<0 || lamda<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probability = 1.0 - Math.exp(-lamda*x); return probability; }
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Calculates the probability from 0 to X under Exponential Distribution @param x @param lamda @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.betaCdf
public static double betaCdf(double x, double a, double b) { if(x<0 || a<=0 || b<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double Bcdf = 0.0; if(x==0) { return Bcdf; } else if (x>=1) { ...
java
public static double betaCdf(double x, double a, double b) { if(x<0 || a<=0 || b<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double Bcdf = 0.0; if(x==0) { return Bcdf; } else if (x>=1) { ...
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Calculates the probability from 0 to X under Beta Distribution @param x @param a @param b @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.fCdf
public static double fCdf(double x, int f1, int f2) { if(x<0 || f1<=0 || f2<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double Z = x/(x + (double)f2/f1); double FCdf = betaCdf(Z,f1/2.0,f2/2.0); return FCdf; ...
java
public static double fCdf(double x, int f1, int f2) { if(x<0 || f1<=0 || f2<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double Z = x/(x + (double)f2/f1); double FCdf = betaCdf(Z,f1/2.0,f2/2.0); return FCdf; ...
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Calculates the probability from 0 to X under F Distribution @param x @param f1 @param f2 @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.gammaCdf
public static double gammaCdf(double x, double a, double b) { if(a<=0 || b<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double GammaCdf = ContinuousDistributions.gammaCdf(x/b, a); return GammaCdf; }
java
public static double gammaCdf(double x, double a, double b) { if(a<=0 || b<=0) { throw new IllegalArgumentException("All the parameters must be positive."); } double GammaCdf = ContinuousDistributions.gammaCdf(x/b, a); return GammaCdf; }
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Calculates the probability from 0 to X under Gamma Distribution @param x @param a @param b @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.uniformCdf
public static double uniformCdf(double x, double a, double b) { if(a>=b) { throw new IllegalArgumentException("The a must be smaller than b."); } double probabilitySum; if(x<a) { probabilitySum=0.0; } else if(x<b) { probability...
java
public static double uniformCdf(double x, double a, double b) { if(a>=b) { throw new IllegalArgumentException("The a must be smaller than b."); } double probabilitySum; if(x<a) { probabilitySum=0.0; } else if(x<b) { probability...
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Returns the cumulative probability of Uniform @param x @param a @param b @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java#L374-L391
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.kolmogorov
public static double kolmogorov(double z) { //Kolmogorov distribution. Error<.0000001 if (z<0.27) { return 0.0; } else if (z>3.2) { return 1.1; } double ks=0; double y=-2*z*z; for(int i=27;i>=1;i=i-2) { ks=Math.exp(i*...
java
public static double kolmogorov(double z) { //Kolmogorov distribution. Error<.0000001 if (z<0.27) { return 0.0; } else if (z>3.2) { return 1.1; } double ks=0; double y=-2*z*z; for(int i=27;i>=1;i=i-2) { ks=Math.exp(i*...
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Returns the cumulative probability of kolmogorov @param z @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java#L399-L414
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.dirichletPdf
public static double dirichletPdf(double[] pi, double[] ai) { double probability=1.0; double sumAi=0.0; double productGammaAi=1.0; double tmp; int piLength=pi.length; for(int i=0;i<piLength;++i) { tmp=ai[i]; sumAi+= tmp; produc...
java
public static double dirichletPdf(double[] pi, double[] ai) { double probability=1.0; double sumAi=0.0; double productGammaAi=1.0; double tmp; int piLength=pi.length; for(int i=0;i<piLength;++i) { tmp=ai[i]; sumAi+= tmp; produc...
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Calculates probability pi, ai under dirichlet distribution @param pi The vector with probabilities. @param ai The vector with pseudocounts. @return The probability
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java#L593-L610
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.dirichletPdf
public static double dirichletPdf(double[] pi, double a) { double probability=1.0; int piLength=pi.length; for(int i=0;i<piLength;++i) { probability*=Math.pow(pi[i], a-1); } double sumAi=piLength*a; double productGammaAi=Math.pow(gam...
java
public static double dirichletPdf(double[] pi, double a) { double probability=1.0; int piLength=pi.length; for(int i=0;i<piLength;++i) { probability*=Math.pow(pi[i], a-1); } double sumAi=piLength*a; double productGammaAi=Math.pow(gam...
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Implementation for single alpha value. @param pi The vector with probabilities. @param a The alpha parameter for all pseudocounts. @return The probability
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java#L619-L633
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.multinomialGaussianSample
public static double[] multinomialGaussianSample(double[] mean, double[][] covariance) { MultivariateNormalDistribution gaussian = new MultivariateNormalDistribution(mean, covariance); gaussian.reseedRandomGenerator(RandomGenerator.getThreadLocalRandom().nextLong()); return gaussian...
java
public static double[] multinomialGaussianSample(double[] mean, double[][] covariance) { MultivariateNormalDistribution gaussian = new MultivariateNormalDistribution(mean, covariance); gaussian.reseedRandomGenerator(RandomGenerator.getThreadLocalRandom().nextLong()); return gaussian...
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Samples from Multinomial Normal Distribution. @param mean @param covariance @return A multinomialGaussianSample from the Multinomial Normal Distribution
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java#L643-L648
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/ContinuousDistributions.java
ContinuousDistributions.multinomialGaussianPdf
public static double multinomialGaussianPdf(double[] mean, double[][] covariance, double[] x) { MultivariateNormalDistribution gaussian = new MultivariateNormalDistribution(mean, covariance); return gaussian.density(x); }
java
public static double multinomialGaussianPdf(double[] mean, double[][] covariance, double[] x) { MultivariateNormalDistribution gaussian = new MultivariateNormalDistribution(mean, covariance); return gaussian.density(x); }
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Calculates the PDF of Multinomial Normal Distribution for a particular x. @param mean @param covariance @param x The x record @return The multinomialGaussianPdf of x
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.selectMaxKeyValue
public static Map.Entry<Object, Double> selectMaxKeyValue(Map<Object, Double> keyValueMap) { Double maxValue=Double.NEGATIVE_INFINITY; Object maxValueKey = null; for(Map.Entry<Object, Double> entry : keyValueMap.entrySet()) { Double value = entry.getValue(); if(v...
java
public static Map.Entry<Object, Double> selectMaxKeyValue(Map<Object, Double> keyValueMap) { Double maxValue=Double.NEGATIVE_INFINITY; Object maxValueKey = null; for(Map.Entry<Object, Double> entry : keyValueMap.entrySet()) { Double value = entry.getValue(); if(v...
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Selects the key-value entry with the largest value. @param keyValueMap @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java#L58-L71
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.selectMinKeyValue
public static Map.Entry<Object, Object> selectMinKeyValue(AssociativeArray keyValueMap) { Double minValue=Double.POSITIVE_INFINITY; Object minValueKey = null; for(Map.Entry<Object, Object> entry : keyValueMap.entrySet()) { Double value = TypeInference.toDouble(entry.getValue...
java
public static Map.Entry<Object, Object> selectMinKeyValue(AssociativeArray keyValueMap) { Double minValue=Double.POSITIVE_INFINITY; Object minValueKey = null; for(Map.Entry<Object, Object> entry : keyValueMap.entrySet()) { Double value = TypeInference.toDouble(entry.getValue...
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Selects the key-value entry with the smallest value. @param keyValueMap @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java#L79-L92
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.sortNumberMapByKeyAscending
public static <K, V> Map<K, V> sortNumberMapByKeyAscending(Map<K, V> map) { return sortNumberMapByKeyAscending(map.entrySet()); }
java
public static <K, V> Map<K, V> sortNumberMapByKeyAscending(Map<K, V> map) { return sortNumberMapByKeyAscending(map.entrySet()); }
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Sorts by Key a Map in ascending order. @param <K> @param <V> @param map @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.sortNumberMapByKeyDescending
public static <K, V> Map<K, V> sortNumberMapByKeyDescending(Map<K, V> map) { return sortNumberMapByKeyDescending(map.entrySet()); }
java
public static <K, V> Map<K, V> sortNumberMapByKeyDescending(Map<K, V> map) { return sortNumberMapByKeyDescending(map.entrySet()); }
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Sorts by Key a Map in descending order. @param <K> @param <V> @param map @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.sortNumberMapByValueDescending
public static <K, V> Map<K, V> sortNumberMapByValueDescending(Map<K, V> map) { ArrayList<Map.Entry<K, V>> entries = new ArrayList<>(map.entrySet()); Collections.sort(entries, (Map.Entry<K, V> a, Map.Entry<K, V> b) -> { Double va = TypeInference.toDouble(a.getValue()); Double vb =...
java
public static <K, V> Map<K, V> sortNumberMapByValueDescending(Map<K, V> map) { ArrayList<Map.Entry<K, V>> entries = new ArrayList<>(map.entrySet()); Collections.sort(entries, (Map.Entry<K, V> a, Map.Entry<K, V> b) -> { Double va = TypeInference.toDouble(a.getValue()); Double vb =...
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Sorts by Value a Map in descending order. @param <K> @param <V> @param map @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java#L219-L233
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java
MapMethods.sortAssociativeArrayByValueAscending
public static AssociativeArray sortAssociativeArrayByValueAscending(AssociativeArray associativeArray) { ArrayList<Map.Entry<Object, Object>> entries = new ArrayList<>(associativeArray.entrySet()); Collections.sort(entries, (Map.Entry<Object, Object> a, Map.Entry<Object, Object> b) -> { Doub...
java
public static AssociativeArray sortAssociativeArrayByValueAscending(AssociativeArray associativeArray) { ArrayList<Map.Entry<Object, Object>> entries = new ArrayList<>(associativeArray.entrySet()); Collections.sort(entries, (Map.Entry<Object, Object> a, Map.Entry<Object, Object> b) -> { Doub...
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Sorts by Value a Associative Array in ascending order. @param associativeArray @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/utilities/MapMethods.java#L241-L255
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.unescapeHtml
private static String unescapeHtml(final String input) { StringBuilder writer = null; int len = input.length(); int i = 1; int st = 0; while (true) { // look for '&' while (i < len && input.charAt(i-1) != '&') { i++; } ...
java
private static String unescapeHtml(final String input) { StringBuilder writer = null; int len = input.length(); int i = 1; int st = 0; while (true) { // look for '&' while (i < len && input.charAt(i-1) != '&') { i++; } ...
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Unescapes HTML3 chars from a string. Modified version of http://stackoverflow.com/questions/994331/java-how-to-decode-html-character-entities-in-java-like-httputility-htmldecode/24575417#24575417. @param input @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L163-L251
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.replaceImgWithAlt
public static String replaceImgWithAlt(String html) { Matcher m = IMG_ALT_TITLE_PATTERN.matcher(html); if (m.find()) { return m.replaceAll(" $1 "); } return html; }
java
public static String replaceImgWithAlt(String html) { Matcher m = IMG_ALT_TITLE_PATTERN.matcher(html); if (m.find()) { return m.replaceAll(" $1 "); } return html; }
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Replaces the img tags with their alt text. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L259-L265
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.safeRemoveAllTags
public static String safeRemoveAllTags(String html) { html = removeNonTextTags(html); html = unsafeRemoveAllTags(html); return html; }
java
public static String safeRemoveAllTags(String html) { html = removeNonTextTags(html); html = unsafeRemoveAllTags(html); return html; }
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A safe way to remove the tags from an HTML string. The method removes first javascript, css and other non text blocks and then removes all HTML tags. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L296-L300
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.extractText
public static String extractText(String html) { //return Jsoup.parse(text).text(); html = replaceImgWithAlt(html); html = safeRemoveAllTags(html); html = unescapeHtml(html); return html; }
java
public static String extractText(String html) { //return Jsoup.parse(text).text(); html = replaceImgWithAlt(html); html = safeRemoveAllTags(html); html = unescapeHtml(html); return html; }
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Extracts the text from an HTML page. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L338-L346
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.extractTitle
public static String extractTitle(String html) { Matcher m = TITLE_PATTERN.matcher(html); if (m.find()) { return clear(m.group(0)); } return null; }
java
public static String extractTitle(String html) { Matcher m = TITLE_PATTERN.matcher(html); if (m.find()) { return clear(m.group(0)); } return null; }
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Extracts the title of the page. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L358-L364
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.extractHyperlinks
public static Map<HyperlinkPart, List<String>> extractHyperlinks(String html) { Map<HyperlinkPart, List<String>> hyperlinksMap = new HashMap<>(); hyperlinksMap.put(HyperlinkPart.HTMLTAG, new ArrayList<>()); hyperlinksMap.put(HyperlinkPart.URL, new ArrayList<>()); hyperlinksMap.put(Hyperl...
java
public static Map<HyperlinkPart, List<String>> extractHyperlinks(String html) { Map<HyperlinkPart, List<String>> hyperlinksMap = new HashMap<>(); hyperlinksMap.put(HyperlinkPart.HTMLTAG, new ArrayList<>()); hyperlinksMap.put(HyperlinkPart.URL, new ArrayList<>()); hyperlinksMap.put(Hyperl...
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Extracts the hyperlinks from an html string and returns their components in a map. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L393-L411
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java
HTMLParser.extractMetatags
public static Map<String, String> extractMetatags(String html) { Map<String, String> metatagsMap = new HashMap<>(); Matcher m = METATAG_PATTERN.matcher(html); while (m.find()) { if(m.groupCount()==2) { String name = m.group(1); String ...
java
public static Map<String, String> extractMetatags(String html) { Map<String, String> metatagsMap = new HashMap<>(); Matcher m = METATAG_PATTERN.matcher(html); while (m.find()) { if(m.groupCount()==2) { String name = m.group(1); String ...
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Extracts the meta tags from an HTML page and returns them in a map. @param html @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/parsers/HTMLParser.java#L419-L431
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/nonparametrics/onesample/KolmogorovSmirnovOneSample.java
KolmogorovSmirnovOneSample.normalDistribution
public static double normalDistribution(Double x, AssociativeArray params) { double mean= params.getDouble("mean"); double variance= params.getDouble("variance"); //standardize the x value double z=(x-mean)/Math.sqrt(variance); return ContinuousDistributions.gaussCdf(z); }
java
public static double normalDistribution(Double x, AssociativeArray params) { double mean= params.getDouble("mean"); double variance= params.getDouble("variance"); //standardize the x value double z=(x-mean)/Math.sqrt(variance); return ContinuousDistributions.gaussCdf(z); }
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Cumulative Normal Distribution Method. This method is called via reflection. @param x @param params : AssociativeArray("mean"=>mean,"variance"=>variance) @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/nonparametrics/onesample/KolmogorovSmirnovOneSample.java#L106-L114
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.bernoulliCdf
public static double bernoulliCdf(int k, double p) { if(p<0) { throw new IllegalArgumentException("The probability p can't be negative."); } double probabilitySum=0.0; if(k<0) { } else if(k<1) { //aka k==0 probabilitySum=(1-p)...
java
public static double bernoulliCdf(int k, double p) { if(p<0) { throw new IllegalArgumentException("The probability p can't be negative."); } double probabilitySum=0.0; if(k<0) { } else if(k<1) { //aka k==0 probabilitySum=(1-p)...
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Returns the cumulative probability under bernoulli @param k @param p @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L49-L66
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.binomial
public static double binomial(int k, double p, int n) { if(k<0 || p<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); /* //Slow and can't handle large numbers $...
java
public static double binomial(int k, double p, int n) { if(k<0 || p<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); /* //Slow and can't handle large numbers $...
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Returns the probability of k of a specific number of tries n and probability p @param k @param p @param n @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L76-L96
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.binomialCdf
public static double binomialCdf(int k, double p, int n) { if(k<0 || p<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); double probabilitySum = approxBinomialCdf(k,p,n); ...
java
public static double binomialCdf(int k, double p, int n) { if(k<0 || p<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); double probabilitySum = approxBinomialCdf(k,p,n); ...
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Returns the cumulative probability of k of a specific number of tries n and probability p @param k @param p @param n @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L106-L116
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.approxBinomialCdf
private static double approxBinomialCdf(int k, double p, int n) { //use an approximation as described at http://www.math.ucla.edu/~tom/distributions/binomial.html double Z = p; double A=k+1; double B=n-k; double S=A+B; double BT=Math.exp(ContinuousDistributions.logGamma(S...
java
private static double approxBinomialCdf(int k, double p, int n) { //use an approximation as described at http://www.math.ucla.edu/~tom/distributions/binomial.html double Z = p; double A=k+1; double B=n-k; double S=A+B; double BT=Math.exp(ContinuousDistributions.logGamma(S...
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Returns the a good approximation of cumulative probability of k of a specific number of tries n and probability p @param k @param p @param n @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L126-L144
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.geometric
public static double geometric(int k, double p) { if(k<=0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probability = Math.pow(1-p,k-1)*p; return probability; }
java
public static double geometric(int k, double p) { if(k<=0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probability = Math.pow(1-p,k-1)*p; return probability; }
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Returns the probability that the first success requires k trials with probability of success p @param k @param p @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.geometricCdf
public static double geometricCdf(int k, double p) { if(k<=0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probabilitySum = 0.0; for(int i=1;i<=k;++i) { probabilitySum += geometric(i, p); } ...
java
public static double geometricCdf(int k, double p) { if(k<=0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } double probabilitySum = 0.0; for(int i=1;i<=k;++i) { probabilitySum += geometric(i, p); } ...
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Returns the cumulative probability of geometric @param k @param p @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L170-L181
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.negativeBinomial
public static double negativeBinomial(int n, int r, double p) { //tested its validity with http://www.mathcelebrity.com/binomialneg.php if(n<0 || r<0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } n = Math.max(n,r);//obvisouly the tota...
java
public static double negativeBinomial(int n, int r, double p) { //tested its validity with http://www.mathcelebrity.com/binomialneg.php if(n<0 || r<0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } n = Math.max(n,r);//obvisouly the tota...
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Returns the probability of requiring n tries to achieve r successes with probability of success p @param n @param r @param p @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L191-L201
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.negativeBinomialCdf
public static double negativeBinomialCdf(int n, int r, double p) { if(n<0 || r<0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } n = Math.max(n,r); double probabilitySum = 0.0; for(int i=0;i<=r;++i) { probab...
java
public static double negativeBinomialCdf(int n, int r, double p) { if(n<0 || r<0 || p<0) { throw new IllegalArgumentException("All the parameters must be positive."); } n = Math.max(n,r); double probabilitySum = 0.0; for(int i=0;i<=r;++i) { probab...
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Returns the cumulative probability of negativeBinomial @param n @param r @param p @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L211-L223
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.uniformCdf
public static double uniformCdf(int k, int n) { if(k<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); double probabilitySum = k*uniform(n); return probabilitySum; }
java
public static double uniformCdf(int k, int n) { if(k<0 || n<1) { throw new IllegalArgumentException("All the parameters must be positive and n larger than 1."); } k = Math.min(k, n); double probabilitySum = k*uniform(n); return probabilitySum; }
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Returns the cumulative probability of uniform @param k @param n @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L248-L257
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.hypergeometric
public static double hypergeometric(int k, int n, int Kp, int Np) { if(k<0 || n<0 || Kp<0 || Np<0) { throw new IllegalArgumentException("All the parameters must be positive."); } Kp = Math.max(k, Kp); Np = Math.max(n, Np); /* //slow! $probabil...
java
public static double hypergeometric(int k, int n, int Kp, int Np) { if(k<0 || n<0 || Kp<0 || Np<0) { throw new IllegalArgumentException("All the parameters must be positive."); } Kp = Math.max(k, Kp); Np = Math.max(n, Np); /* //slow! $probabil...
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Returns the probability of finding k successes on a sample of n, from a population with Kp successes and size Np @param k @param n @param Kp @param Np @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L268-L289
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.hypergeometricCdf
public static double hypergeometricCdf(int k, int n, int Kp, int Np) { if(k<0 || n<0 || Kp<0 || Np<0) { throw new IllegalArgumentException("All the parameters must be positive."); } Kp = Math.max(k, Kp); Np = Math.max(n, Np); /* //slow! $proba...
java
public static double hypergeometricCdf(int k, int n, int Kp, int Np) { if(k<0 || n<0 || Kp<0 || Np<0) { throw new IllegalArgumentException("All the parameters must be positive."); } Kp = Math.max(k, Kp); Np = Math.max(n, Np); /* //slow! $proba...
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Returns the cumulative probability of hypergeometric @param k @param n @param Kp @param Np @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L300-L320
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.poisson
public static double poisson(int k, double lamda) { if(k<0 || lamda<0) { throw new IllegalArgumentException("All the parameters must be positive."); } /* //Slow $probability=pow($lamda,$k)*exp(-$lamda)/StatsUtilities::factorial($k); */ //fast...
java
public static double poisson(int k, double lamda) { if(k<0 || lamda<0) { throw new IllegalArgumentException("All the parameters must be positive."); } /* //Slow $probability=pow($lamda,$k)*exp(-$lamda)/StatsUtilities::factorial($k); */ //fast...
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Returns the probability of k occurrences when rate is lamda @param k @param lamda @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L381-L399
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java
DiscreteDistributions.poissonCdf
public static double poissonCdf(int k, double lamda) { if(k<0 || lamda<0) { throw new IllegalArgumentException("All the parameters must be positive."); } /* //Slow! $probabilitySum=0; for($i=0;$i<=$k;++$i) { $probabilitySum+=self::poisson(...
java
public static double poissonCdf(int k, double lamda) { if(k<0 || lamda<0) { throw new IllegalArgumentException("All the parameters must be positive."); } /* //Slow! $probabilitySum=0; for($i=0;$i<=$k;++$i) { $probabilitySum+=self::poisson(...
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Returns the cumulative probability of poisson @param k @param lamda @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/distributions/DiscreteDistributions.java#L408-L425
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.count
public static int count(Iterable it) { int n = 0; for(Object v: it) { if(v != null) { ++n; } } return n; }
java
public static int count(Iterable it) { int n = 0; for(Object v: it) { if(v != null) { ++n; } } return n; }
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Returns the number of not-null items in the iteratable. @param it @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.sum
public static double sum(FlatDataCollection flatDataCollection) { double sum = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double value = it.next(); if(value != null) { sum+= value; } }...
java
public static double sum(FlatDataCollection flatDataCollection) { double sum = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double value = it.next(); if(value != null) { sum+= value; } }...
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Returns the sum of a Collection @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L56-L68
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.mean
public static double mean(FlatDataCollection flatDataCollection) { int n = 0; double mean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double value = it.next(); if(value != null) { ++n; mea...
java
public static double mean(FlatDataCollection flatDataCollection) { int n = 0; double mean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double value = it.next(); if(value != null) { ++n; mea...
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Calculates the simple mean @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.meanSE
public static double meanSE(FlatDataCollection flatDataCollection) { double std = std(flatDataCollection, true); double meanSE = std/Math.sqrt(count(flatDataCollection)); return meanSE; }
java
public static double meanSE(FlatDataCollection flatDataCollection) { double std = std(flatDataCollection, true); double meanSE = std/Math.sqrt(count(flatDataCollection)); return meanSE; }
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Calculates Standard Error of Mean under SRS @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L102-L107
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.median
public static double median(FlatDataCollection flatDataCollection) { double[] doubleArray = flatDataCollection.stream().filter(x -> x!=null).mapToDouble(TypeInference::toDouble).toArray(); int n = doubleArray.length; if(n==0) { throw new IllegalArgumentException("The provided collect...
java
public static double median(FlatDataCollection flatDataCollection) { double[] doubleArray = flatDataCollection.stream().filter(x -> x!=null).mapToDouble(TypeInference::toDouble).toArray(); int n = doubleArray.length; if(n==0) { throw new IllegalArgumentException("The provided collect...
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Calculates the median. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L115-L132
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.min
public static double min(FlatDataCollection flatDataCollection) { double min=Double.POSITIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null && min > v) { min=v; ...
java
public static double min(FlatDataCollection flatDataCollection) { double min=Double.POSITIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null && min > v) { min=v; ...
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Calculates Minimum. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L140-L152
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.max
public static double max(FlatDataCollection flatDataCollection) { double max=Double.NEGATIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null && max < v) { max=v; ...
java
public static double max(FlatDataCollection flatDataCollection) { double max=Double.NEGATIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null && max < v) { max=v; ...
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Calculates Maximum. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L160-L172
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.minAbsolute
public static double minAbsolute(FlatDataCollection flatDataCollection) { double minAbs=Double.POSITIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { minAbs= Math.min(minAb...
java
public static double minAbsolute(FlatDataCollection flatDataCollection) { double minAbs=Double.POSITIVE_INFINITY; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { minAbs= Math.min(minAb...
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Calculates Minimum absolute value. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L180-L192
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.maxAbsolute
public static double maxAbsolute(FlatDataCollection flatDataCollection) { double maxAbs=0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { maxAbs= Math.max(maxAbs, Math.abs(v)); ...
java
public static double maxAbsolute(FlatDataCollection flatDataCollection) { double maxAbs=0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { maxAbs= Math.max(maxAbs, Math.abs(v)); ...
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Calculates Maximum absolute value. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L200-L212
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.geometricMean
public static double geometricMean(FlatDataCollection flatDataCollection) { int n = 0; double geometricMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { if(v <= 0.0) { ...
java
public static double geometricMean(FlatDataCollection flatDataCollection) { int n = 0; double geometricMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { if(v <= 0.0) { ...
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Calculates Geometric Mean @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L232-L251
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.harmonicMean
public static double harmonicMean(FlatDataCollection flatDataCollection) { int n = 0; double harmonicMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v!=null) { ++n; ...
java
public static double harmonicMean(FlatDataCollection flatDataCollection) { int n = 0; double harmonicMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v!=null) { ++n; ...
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Calculates Harmonic Mean @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L259-L275
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.variance
public static double variance(FlatDataCollection flatDataCollection, boolean isSample) { /* Uses the formal Variance = E(X^2) - mean^2 */ int n = 0; double mean = 0.0; double squaredMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext())...
java
public static double variance(FlatDataCollection flatDataCollection, boolean isSample) { /* Uses the formal Variance = E(X^2) - mean^2 */ int n = 0; double mean = 0.0; double squaredMean = 0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext())...
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Calculates the Variance @param flatDataCollection @param isSample @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L284-L314
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.std
public static double std(FlatDataCollection flatDataCollection, boolean isSample) { double variance = variance(flatDataCollection, isSample); double std = Math.sqrt(variance); return std; }
java
public static double std(FlatDataCollection flatDataCollection, boolean isSample) { double variance = variance(flatDataCollection, isSample); double std = Math.sqrt(variance); return std; }
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Calculates the Standard Deviation @param flatDataCollection @param isSample @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L323-L328
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.cv
public static double cv(double std, double mean) { if(mean==0) { return Double.POSITIVE_INFINITY; } double cv = std/mean; return cv; }
java
public static double cv(double std, double mean) { if(mean==0) { return Double.POSITIVE_INFINITY; } double cv = std/mean; return cv; }
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Calculates Coefficient of variation @param std @param mean @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L337-L345
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.moment
public static double moment(FlatDataCollection flatDataCollection, int r) { double mean = mean(flatDataCollection); return moment(flatDataCollection, r, mean); }
java
public static double moment(FlatDataCollection flatDataCollection, int r) { double mean = mean(flatDataCollection); return moment(flatDataCollection, r, mean); }
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Calculates Moment R if the mean is not known. @param flatDataCollection @param r @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L354-L357
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.moment
public static double moment(FlatDataCollection flatDataCollection, int r, double mean) { int n = 0; double moment=0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { +...
java
public static double moment(FlatDataCollection flatDataCollection, int r, double mean) { int n = 0; double moment=0.0; Iterator<Double> it = flatDataCollection.iteratorDouble(); while(it.hasNext()) { Double v = it.next(); if(v != null) { +...
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Calculates Moment R if the mean is known. @param flatDataCollection @param r @param mean @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L367-L387
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.percentiles
public static AssociativeArray percentiles(FlatDataCollection flatDataCollection, int cutPoints) { double[] doubleArray = flatDataCollection.stream().filter(x -> x!=null).mapToDouble(TypeInference::toDouble).toArray(); int n = doubleArray.length; if(n<=0 || cutPoints<=0 || n<cutPoints) { ...
java
public static AssociativeArray percentiles(FlatDataCollection flatDataCollection, int cutPoints) { double[] doubleArray = flatDataCollection.stream().filter(x -> x!=null).mapToDouble(TypeInference::toDouble).toArray(); int n = doubleArray.length; if(n<=0 || cutPoints<=0 || n<cutPoints) { ...
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Calculates the percentiles given a number of cutPoints @param flatDataCollection @param cutPoints @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L488-L537
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.autocorrelation
public static double autocorrelation(FlatDataList flatDataList, int lags) { int n = count(flatDataList); if(n<=0 || lags<=0 || n<lags) { throw new IllegalArgumentException("All the parameters must be positive and n larger than lags."); } FlatDataCollection flatDataCo...
java
public static double autocorrelation(FlatDataList flatDataList, int lags) { int n = count(flatDataList); if(n<=0 || lags<=0 || n<lags) { throw new IllegalArgumentException("All the parameters must be positive and n larger than lags."); } FlatDataCollection flatDataCo...
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Calculates the autocorrelation of a flatDataCollection for a predifined lag @param flatDataList @param lags @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L601-L624
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.frequencies
public static AssociativeArray frequencies(FlatDataCollection flatDataCollection) { AssociativeArray frequencies = new AssociativeArray(); for (Object value : flatDataCollection) { Object counter = frequencies.get(value); if(counter==null) { frequencies.p...
java
public static AssociativeArray frequencies(FlatDataCollection flatDataCollection) { AssociativeArray frequencies = new AssociativeArray(); for (Object value : flatDataCollection) { Object counter = frequencies.get(value); if(counter==null) { frequencies.p...
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Calculates the Frequency Table @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L632-L646
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.normalize
public static void normalize(AssociativeArray associativeArray) { double sum = 0.0; //Prevents numeric underflow by subtracting the max. References: http://www.youtube.com/watch?v=-RVM21Voo7Q for(Map.Entry<Object, Object> entry : associativeArray.entrySet()) { Double value = TypeInfe...
java
public static void normalize(AssociativeArray associativeArray) { double sum = 0.0; //Prevents numeric underflow by subtracting the max. References: http://www.youtube.com/watch?v=-RVM21Voo7Q for(Map.Entry<Object, Object> entry : associativeArray.entrySet()) { Double value = TypeInfe...
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Normalizes the provided associative array by dividing its values with the sum of the observations. @param associativeArray
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L683-L698
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java
Descriptives.normalizeExp
public static void normalizeExp(AssociativeArray associativeArray) { double max = max(associativeArray.toFlatDataCollection()); double sum = 0.0; //Prevents numeric underflow by subtracting the max. References: http://www.youtube.com/watch?v=-RVM21Voo7Q for(Map.Entry<Object, Object> ent...
java
public static void normalizeExp(AssociativeArray associativeArray) { double max = max(associativeArray.toFlatDataCollection()); double sum = 0.0; //Prevents numeric underflow by subtracting the max. References: http://www.youtube.com/watch?v=-RVM21Voo7Q for(Map.Entry<Object, Object> ent...
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Normalizes the exponentials of provided associative array by using the log-sum-exp trick. @param associativeArray
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Descriptives.java#L706-L723
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/UniqueWordSequenceExtractor.java
UniqueWordSequenceExtractor.extract
@Override public Map<Integer, String> extract(final String text) { Set<String> tmpKwd = new LinkedHashSet<>(generateTokenizer().tokenize(text)); Map<Integer, String> keywordSequence = new LinkedHashMap<>(); int position = 0; for(String keyword : tmpKwd) { ...
java
@Override public Map<Integer, String> extract(final String text) { Set<String> tmpKwd = new LinkedHashSet<>(generateTokenizer().tokenize(text)); Map<Integer, String> keywordSequence = new LinkedHashMap<>(); int position = 0; for(String keyword : tmpKwd) { ...
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This method gets as input a string and returns as output a numbered sequence of the unique tokens. In the returned map as keys we store the position of the word in the original string and as value the actual unique token in that position. Note that the sequence includes only the position of the first occurrence of each...
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/UniqueWordSequenceExtractor.java#L59-L72
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java
DataframeMatrix.setStorageEngine
private static void setStorageEngine(Dataframe dataset) { //create a single storage engine for all the MapRealMatrixes if (storageEngine == null) { synchronized(DataframeMatrix.class) { if (storageEngine == null) { String storageName = "mdf" + RandomGenera...
java
private static void setStorageEngine(Dataframe dataset) { //create a single storage engine for all the MapRealMatrixes if (storageEngine == null) { synchronized(DataframeMatrix.class) { if (storageEngine == null) { String storageName = "mdf" + RandomGenera...
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Initializes the static storage engine if it's not already set. @param dataset
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java#L92-L102
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java
DataframeMatrix.newInstance
public static DataframeMatrix newInstance(Dataframe dataset, boolean addConstantColumn, Map<Integer, Integer> recordIdsReference, Map<Object, Integer> featureIdsReference) { if(!featureIdsReference.isEmpty()) { throw new IllegalArgumentException("The featureIdsReference map should be empty."); ...
java
public static DataframeMatrix newInstance(Dataframe dataset, boolean addConstantColumn, Map<Integer, Integer> recordIdsReference, Map<Object, Integer> featureIdsReference) { if(!featureIdsReference.isEmpty()) { throw new IllegalArgumentException("The featureIdsReference map should be empty."); ...
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Method used to generate a training Dataframe to a DataframeMatrix and extracts its contents to Matrixes. It populates the featureIdsReference map with the mappings between the feature names and the column ids of the matrix. Typically used to convert the training dataset. @param dataset @param addConstantColumn @param ...
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java#L116-L180
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java
DataframeMatrix.parseRecord
public static RealVector parseRecord(Record r, Map<Object, Integer> featureIdsReference) { if(featureIdsReference.isEmpty()) { throw new IllegalArgumentException("The featureIdsReference map should not be empty."); } int d = featureIdsReference.size(); //create an M...
java
public static RealVector parseRecord(Record r, Map<Object, Integer> featureIdsReference) { if(featureIdsReference.isEmpty()) { throw new IllegalArgumentException("The featureIdsReference map should not be empty."); } int d = featureIdsReference.size(); //create an M...
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Parses a single Record and converts it to RealVector by using an already existing mapping between feature names and column ids. @param r @param featureIdsReference @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/dataobjects/DataframeMatrix.java#L251-L282
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ConcurrencyConfiguration.java
ConcurrencyConfiguration.setMaxNumberOfThreadsPerTask
public void setMaxNumberOfThreadsPerTask(Integer maxNumberOfThreadsPerTask) { if(maxNumberOfThreadsPerTask<0) { throw new IllegalArgumentException("The max number of threads can not be negative."); } else if(maxNumberOfThreadsPerTask==0) { this.maxNumberOfThreadsPerTask =...
java
public void setMaxNumberOfThreadsPerTask(Integer maxNumberOfThreadsPerTask) { if(maxNumberOfThreadsPerTask<0) { throw new IllegalArgumentException("The max number of threads can not be negative."); } else if(maxNumberOfThreadsPerTask==0) { this.maxNumberOfThreadsPerTask =...
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Setter for the maximum number of threads which can be used for a specific task by the framework. By convention if the value is 0, the max number of threads is set equal to the available processors. @param maxNumberOfThreadsPerTask
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909dff0476e80834f05ecdde0624dd2390e9b0ca
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train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java
ForkJoinStream.forEach
public <T> void forEach(Stream<T> stream, Consumer<? super T> action) { Runnable runnable = () -> stream.forEach(action); ThreadMethods.forkJoinExecution(runnable, concurrencyConfiguration, stream.isParallel()); }
java
public <T> void forEach(Stream<T> stream, Consumer<? super T> action) { Runnable runnable = () -> stream.forEach(action); ThreadMethods.forkJoinExecution(runnable, concurrencyConfiguration, stream.isParallel()); }
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Executes forEach on the provided stream. If the Stream is parallel, it is executed using the custom pool, else it is executed directly from the main thread. @param <T> @param stream @param action
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java#L54-L57
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java
ForkJoinStream.map
public <T, R> Stream<R> map(Stream<T> stream, Function<? super T, ? extends R> mapper) { Callable<Stream<R>> callable = () -> stream.map(mapper); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
java
public <T, R> Stream<R> map(Stream<T> stream, Function<? super T, ? extends R> mapper) { Callable<Stream<R>> callable = () -> stream.map(mapper); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
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Executes map on the provided stream. If the Stream is parallel, it is executed using the custom pool, else it is executed directly from the main thread. @param <T> @param <R> @param stream @param mapper @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java#L70-L73
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java
ForkJoinStream.collect
public <T, R, A> R collect(Stream<T> stream, Collector<? super T, A, R> collector) { Callable<R> callable = () -> stream.collect(collector); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
java
public <T, R, A> R collect(Stream<T> stream, Collector<? super T, A, R> collector) { Callable<R> callable = () -> stream.collect(collector); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
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Executes collect on the provided stream using the provided collector. If the Stream is parallel, it is executed using the custom pool, else it is executed directly from the main thread. @param <T> @param <R> @param <A> @param stream @param collector @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java#L88-L91
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java
ForkJoinStream.min
public <T> Optional<T> min(Stream<T> stream, Comparator<? super T> comparator) { Callable<Optional<T>> callable = () -> stream.min(comparator); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
java
public <T> Optional<T> min(Stream<T> stream, Comparator<? super T> comparator) { Callable<Optional<T>> callable = () -> stream.min(comparator); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
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Executes min on the provided stream using the provided collector. If the Stream is parallel, it is executed using the custom pool, else it is executed directly from the main thread. @param <T> @param stream @param comparator @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java#L103-L106
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java
ForkJoinStream.sum
public double sum(DoubleStream stream) { Callable<Double> callable = () -> stream.sum(); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
java
public double sum(DoubleStream stream) { Callable<Double> callable = () -> stream.sum(); return ThreadMethods.forkJoinExecution(callable, concurrencyConfiguration, stream.isParallel()); }
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/concurrency/ForkJoinStream.java#L131-L134
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/common/dataobjects/KnowledgeBase.java
KnowledgeBase.save
public void save(String storageName) { //store the objects on storage storageEngine.saveObject("modelParameters", modelParameters); storageEngine.saveObject("trainingParameters", trainingParameters); //rename the storage storageEngine.rename(storageName); //reload the m...
java
public void save(String storageName) { //store the objects on storage storageEngine.saveObject("modelParameters", modelParameters); storageEngine.saveObject("trainingParameters", trainingParameters); //rename the storage storageEngine.rename(storageName); //reload the m...
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Saves the KnowledgeBase using the storage engine.
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/common/dataobjects/KnowledgeBase.java#L123-L133
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/AbstractTextExtractor.java
AbstractTextExtractor.generateTokenizer
protected AbstractTokenizer generateTokenizer() { Class<? extends AbstractTokenizer> tokenizer = parameters.getTokenizer(); if(tokenizer==null) { return null; } try { return tokenizer.newInstance(); } catch (InstantiationException | IllegalAccess...
java
protected AbstractTokenizer generateTokenizer() { Class<? extends AbstractTokenizer> tokenizer = parameters.getTokenizer(); if(tokenizer==null) { return null; } try { return tokenizer.newInstance(); } catch (InstantiationException | IllegalAccess...
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Generates a new AbstractTokenizer object by using the provided tokenizer class. @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/AbstractTextExtractor.java#L84-L96
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/AbstractTextExtractor.java
AbstractTextExtractor.newInstance
public static <T extends AbstractTextExtractor, TP extends AbstractTextExtractor.AbstractParameters> T newInstance(TP parameters) { try { //By convention the Parameters are enclosed in the Extactor. Class<T> tClass = (Class<T>) parameters.getClass().getEnclosingClass(); retur...
java
public static <T extends AbstractTextExtractor, TP extends AbstractTextExtractor.AbstractParameters> T newInstance(TP parameters) { try { //By convention the Parameters are enclosed in the Extactor. Class<T> tClass = (Class<T>) parameters.getClass().getEnclosingClass(); retur...
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Generates a new instance of a AbstractTextExtractor by providing the Class of the AbstractTextExtractor. @param <T> @param <TP> @param parameters @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/common/text/extractors/AbstractTextExtractor.java#L120-L129
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java
CensoredDescriptives.survivalFunction
public static AssociativeArray2D survivalFunction(FlatDataCollection flatDataCollection) { AssociativeArray2D survivalFunction = new AssociativeArray2D(); //AssociativeArray2D is important to maintain the order of the first keys Queue<Double> censoredData = new PriorityQueue<>(); Queue<...
java
public static AssociativeArray2D survivalFunction(FlatDataCollection flatDataCollection) { AssociativeArray2D survivalFunction = new AssociativeArray2D(); //AssociativeArray2D is important to maintain the order of the first keys Queue<Double> censoredData = new PriorityQueue<>(); Queue<...
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Calculates the survivalFunction by processing the flatDataCollection with the censored internalData. The flatDataCollection contains numbers in string format. The Censored entries contain a + symbol at the end of the number. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java#L48-L139
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java
CensoredDescriptives.median
public static double median(AssociativeArray2D survivalFunction) { Double ApointTi = null; Double BpointTi = null; int n = survivalFunction.size(); if(n==0) { throw new IllegalArgumentException("The provided collection can't be empty."); } f...
java
public static double median(AssociativeArray2D survivalFunction) { Double ApointTi = null; Double BpointTi = null; int n = survivalFunction.size(); if(n==0) { throw new IllegalArgumentException("The provided collection can't be empty."); } f...
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Calculates median. @param survivalFunction @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java#L147-L191
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java
CensoredDescriptives.ar
private static double ar(AssociativeArray2D survivalFunction, int r) { if(survivalFunction.isEmpty()) { throw new IllegalArgumentException("The provided collection can't be empty."); } AssociativeArray2D survivalFunctionCopy = survivalFunction; //check if la...
java
private static double ar(AssociativeArray2D survivalFunction, int r) { if(survivalFunction.isEmpty()) { throw new IllegalArgumentException("The provided collection can't be empty."); } AssociativeArray2D survivalFunctionCopy = survivalFunction; //check if la...
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Ar function used to estimate mean and variance. @param survivalFunction @param r @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java#L214-L272
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java
CensoredDescriptives.meanVariance
public static double meanVariance(AssociativeArray2D survivalFunction) { double meanVariance=0; int m=0; int n=0; for(Map.Entry<Object, AssociativeArray> entry : survivalFunction.entrySet()) { //Object ti = entry.getKey(); AssociativeArray row = entry.getValue();...
java
public static double meanVariance(AssociativeArray2D survivalFunction) { double meanVariance=0; int m=0; int n=0; for(Map.Entry<Object, AssociativeArray> entry : survivalFunction.entrySet()) { //Object ti = entry.getKey(); AssociativeArray row = entry.getValue();...
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Calculates the Variance of Mean. @param survivalFunction @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/CensoredDescriptives.java#L280-L316
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/modelselection/Validator.java
Validator.validate
public VM validate(Iterator<Split> dataSplits, TrainingParameters trainingParameters) { AbstractModeler modeler = MLBuilder.create(trainingParameters, configuration); List<VM> validationMetricsList = new LinkedList<>(); while (dataSplits.hasNext()) { Split s = dataSplits.next(); ...
java
public VM validate(Iterator<Split> dataSplits, TrainingParameters trainingParameters) { AbstractModeler modeler = MLBuilder.create(trainingParameters, configuration); List<VM> validationMetricsList = new LinkedList<>(); while (dataSplits.hasNext()) { Split s = dataSplits.next(); ...
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Estimates the average validation metrics on the provided data splits. @param dataSplits @param trainingParameters @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/machinelearning/modelselection/Validator.java#L58-L81
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/regularization/L1Regularizer.java
L1Regularizer.updateWeights
public static <K> void updateWeights(double l1, double learningRate, Map<K, Double> weights, Map<K, Double> newWeights) { if(l1 > 0.0) { /* //SGD-L1 (Naive) for(Map.Entry<K, Double> e : weights.entrySet()) { K column = e.getKey(); newWeights.pu...
java
public static <K> void updateWeights(double l1, double learningRate, Map<K, Double> weights, Map<K, Double> newWeights) { if(l1 > 0.0) { /* //SGD-L1 (Naive) for(Map.Entry<K, Double> e : weights.entrySet()) { K column = e.getKey(); newWeights.pu...
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Updates the weights by applying the L1 regularization. @param l1 @param learningRate @param weights @param newWeights @param <K>
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/regularization/L1Regularizer.java#L39-L61
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/regularization/L1Regularizer.java
L1Regularizer.estimatePenalty
public static <K> double estimatePenalty(double l1, Map<K, Double> weights) { double penalty = 0.0; if(l1 > 0.0) { double sumAbsWeights = 0.0; for(double w : weights.values()) { sumAbsWeights += Math.abs(w); } penalty = l1*sumAbsWeights; ...
java
public static <K> double estimatePenalty(double l1, Map<K, Double> weights) { double penalty = 0.0; if(l1 > 0.0) { double sumAbsWeights = 0.0; for(double w : weights.values()) { sumAbsWeights += Math.abs(w); } penalty = l1*sumAbsWeights; ...
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Estimates the penalty by adding the L1 regularization. @param l1 @param weights @param <K> @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/regularization/L1Regularizer.java#L71-L81
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java
TypeInference.getDataType
public static DataType getDataType(Object v) { //NOTE: DO NOT CHANGE THE ORDER OF THE IFS!!! if(DataType.BOOLEAN.isInstance(v)) { return DataType.BOOLEAN; } else if(DataType.ORDINAL.isInstance(v)) { return DataType.ORDINAL; } else if(DataType.NUMER...
java
public static DataType getDataType(Object v) { //NOTE: DO NOT CHANGE THE ORDER OF THE IFS!!! if(DataType.BOOLEAN.isInstance(v)) { return DataType.BOOLEAN; } else if(DataType.ORDINAL.isInstance(v)) { return DataType.ORDINAL; } else if(DataType.NUMER...
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Detects the DataType of a particular value. @param v @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java#L129-L148
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java
TypeInference.toDouble
public static Double toDouble(Object v) { if (v == null) { return null; } if (v instanceof Boolean) { return ((Boolean) v) ? 1.0 : 0.0; } return ((Number) v).doubleValue(); }
java
public static Double toDouble(Object v) { if (v == null) { return null; } if (v instanceof Boolean) { return ((Boolean) v) ? 1.0 : 0.0; } return ((Number) v).doubleValue(); }
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Converts safely any Number to Double. @param v @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java#L156-L164
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java
TypeInference.toInteger
public static Integer toInteger(Object v) { if (v == null) { return null; } if (v instanceof Boolean) { return ((Boolean) v) ? 1 : 0; } return ((Number) v).intValue(); }
java
public static Integer toInteger(Object v) { if (v == null) { return null; } if (v instanceof Boolean) { return ((Boolean) v) ? 1 : 0; } return ((Number) v).intValue(); }
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Converts safely any Number to Integer. @param v @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/TypeInference.java#L172-L180
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/parametrics/onesample/DurbinWatson.java
DurbinWatson.calculateScore
public static double calculateScore(FlatDataList errorList) { double DWdeltasquare=0; double DWetsquare=0; int n = errorList.size(); for(int i=0;i<n;++i) { Double error = errorList.getDouble(i); if(i>=1) { Double errorPrevious = errorList.getDoubl...
java
public static double calculateScore(FlatDataList errorList) { double DWdeltasquare=0; double DWetsquare=0; int n = errorList.size(); for(int i=0;i<n;++i) { Double error = errorList.getDouble(i); if(i>=1) { Double errorPrevious = errorList.getDoubl...
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Calculates DW score @param errorList @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/parametrics/onesample/DurbinWatson.java#L56-L74
train
datumbox/datumbox-framework
datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/AbstractDataStructureCollection.java
AbstractDataStructureCollection.iteratorDouble
public final Iterator<Double> iteratorDouble() { return new Iterator<Double>() { private final Iterator<Object> objectIterator = (Iterator<Object>) internalData.iterator(); /** {@inheritDoc} */ @Override public boolean hasNext() { retu...
java
public final Iterator<Double> iteratorDouble() { return new Iterator<Double>() { private final Iterator<Object> objectIterator = (Iterator<Object>) internalData.iterator(); /** {@inheritDoc} */ @Override public boolean hasNext() { retu...
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Iterator which casts the values of the Data Structure from Object to Double. This iterator should be used only when the underling Data Structure contains Numeric or Boolean values. Accessing this iterator when other data types are stored will lead to an Exception. @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-common/src/main/java/com/datumbox/framework/common/dataobjects/AbstractDataStructureCollection.java#L92-L114
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java
Distance.euclidean
public static double euclidean(AssociativeArray a1, AssociativeArray a2) { Map<Object, Double> columnDistances = columnDistances(a1, a2, null); double distance = 0.0; for(double columnDistance : columnDistances.values()) { distance+=(columnDistance*columnDistance); }...
java
public static double euclidean(AssociativeArray a1, AssociativeArray a2) { Map<Object, Double> columnDistances = columnDistances(a1, a2, null); double distance = 0.0; for(double columnDistance : columnDistances.values()) { distance+=(columnDistance*columnDistance); }...
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Estimates the euclidean distance of two Associative Arrays. @param a1 @param a2 @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java#L38-L47
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java
Distance.euclideanWeighted
public static double euclideanWeighted(AssociativeArray a1, AssociativeArray a2, Map<Object, Double> columnWeights) { Map<Object, Double> columnDistances = columnDistances(a1, a2, columnWeights.keySet()); double distance = 0.0; for(Map.Entry<Object, Double> entry : columnDistances.entry...
java
public static double euclideanWeighted(AssociativeArray a1, AssociativeArray a2, Map<Object, Double> columnWeights) { Map<Object, Double> columnDistances = columnDistances(a1, a2, columnWeights.keySet()); double distance = 0.0; for(Map.Entry<Object, Double> entry : columnDistances.entry...
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Estimates the weighted euclidean distance of two Associative Arrays. @param a1 @param a2 @param columnWeights @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java#L57-L66
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java
Distance.manhattan
public static double manhattan(AssociativeArray a1, AssociativeArray a2) { Map<Object, Double> columnDistances = columnDistances(a1, a2, null); double distance = 0.0; for(double columnDistance : columnDistances.values()) { distance+=Math.abs(columnDistance); } ...
java
public static double manhattan(AssociativeArray a1, AssociativeArray a2) { Map<Object, Double> columnDistances = columnDistances(a1, a2, null); double distance = 0.0; for(double columnDistance : columnDistances.values()) { distance+=Math.abs(columnDistance); } ...
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Estimates the manhattan distance of two Associative Arrays. @param a1 @param a2 @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java#L75-L84
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java
Distance.manhattanWeighted
public static double manhattanWeighted(AssociativeArray a1, AssociativeArray a2, Map<Object, Double> columnWeights) { Map<Object, Double> columnDistances = columnDistances(a1, a2, columnWeights.keySet()); double distance = 0.0; for(Map.Entry<Object, Double> entry : columnDistances.entry...
java
public static double manhattanWeighted(AssociativeArray a1, AssociativeArray a2, Map<Object, Double> columnWeights) { Map<Object, Double> columnDistances = columnDistances(a1, a2, columnWeights.keySet()); double distance = 0.0; for(Map.Entry<Object, Double> entry : columnDistances.entry...
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Estimates the weighted manhattan distance of two Associative Arrays. @param a1 @param a2 @param columnWeights @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/mathematics/distances/Distance.java#L94-L103
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Ranks.java
Ranks.getRanksFromValues
public static AssociativeArray getRanksFromValues(FlatDataList flatDataCollection) { AssociativeArray tiesCounter = new AssociativeArray(); Map<Object, Double> key2AvgRank = new LinkedHashMap<>(); _buildRankArrays(flatDataCollection, tiesCounter, key2AvgRank); int i = 0; for (Obj...
java
public static AssociativeArray getRanksFromValues(FlatDataList flatDataCollection) { AssociativeArray tiesCounter = new AssociativeArray(); Map<Object, Double> key2AvgRank = new LinkedHashMap<>(); _buildRankArrays(flatDataCollection, tiesCounter, key2AvgRank); int i = 0; for (Obj...
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Replaces the actual values of the flatDataCollection with their ranks and returns in the tieCounter the keys that occur more than once and the number of occurrences. The tieCounter does not store the list and ranks of the actual ties because we never use them. @param flatDataCollection @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Ranks.java#L43-L52
train
datumbox/datumbox-framework
datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Ranks.java
Ranks.getRanksFromValues
public static AssociativeArray getRanksFromValues(AssociativeArray associativeArray) { AssociativeArray tiesCounter = new AssociativeArray(); Map<Object, Double> key2AvgRank = new LinkedHashMap<>(); _buildRankArrays(associativeArray.toFlatDataList(), tiesCounter, key2AvgRank); for (Map.E...
java
public static AssociativeArray getRanksFromValues(AssociativeArray associativeArray) { AssociativeArray tiesCounter = new AssociativeArray(); Map<Object, Double> key2AvgRank = new LinkedHashMap<>(); _buildRankArrays(associativeArray.toFlatDataList(), tiesCounter, key2AvgRank); for (Map.E...
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Replaces the actual values of the associativeArray with their ranks and returns in the tieCounter the keys that occur more than once and the number of occurrences. The tieCounter does not store the list and ranks of the actual ties because we never use them. @param associativeArray @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-core/src/main/java/com/datumbox/framework/core/statistics/descriptivestatistics/Ranks.java#L63-L71
train
datumbox/datumbox-framework
datumbox-framework-applications/src/main/java/com/datumbox/framework/applications/nlp/TextClassifier.java
TextClassifier.fit
public void fit(Map<Object, URI> datasets) { TrainingParameters tp = (TrainingParameters) knowledgeBase.getTrainingParameters(); Dataframe trainingData = Dataframe.Builder.parseTextFiles(datasets, AbstractTextExtractor.newInstance(tp.getTextExtractorParameters()), knowled...
java
public void fit(Map<Object, URI> datasets) { TrainingParameters tp = (TrainingParameters) knowledgeBase.getTrainingParameters(); Dataframe trainingData = Dataframe.Builder.parseTextFiles(datasets, AbstractTextExtractor.newInstance(tp.getTextExtractorParameters()), knowled...
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Trains a Machine Learning modeler using the provided dataset files. The data map should have as index the names of each class and as values the URIs of the training files. The training files should contain one training example per row. @param datasets
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-applications/src/main/java/com/datumbox/framework/applications/nlp/TextClassifier.java#L129-L139
train
datumbox/datumbox-framework
datumbox-framework-applications/src/main/java/com/datumbox/framework/applications/nlp/TextClassifier.java
TextClassifier.predict
public Dataframe predict(URI datasetURI) { //create a dummy dataset map Map<Object, URI> dataset = new HashMap<>(); dataset.put(null, datasetURI); TrainingParameters trainingParameters = (TrainingParameters) knowledgeBase.getTrainingParameters(); Dataframe testD...
java
public Dataframe predict(URI datasetURI) { //create a dummy dataset map Map<Object, URI> dataset = new HashMap<>(); dataset.put(null, datasetURI); TrainingParameters trainingParameters = (TrainingParameters) knowledgeBase.getTrainingParameters(); Dataframe testD...
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Generates a Dataframe with the predictions for the provided data file. The data file should contain the text of one observation per row. @param datasetURI @return
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909dff0476e80834f05ecdde0624dd2390e9b0ca
https://github.com/datumbox/datumbox-framework/blob/909dff0476e80834f05ecdde0624dd2390e9b0ca/datumbox-framework-applications/src/main/java/com/datumbox/framework/applications/nlp/TextClassifier.java#L148-L163
train