dmrau/cqadupstack-stats · Datasets at Hugging Face

_id stringlengths 1 6	text stringlengths 15 138	title stringclasses 1 value
26970	Validation techniques for hierarchical model
49942	Why is the Fisher Information matrix positive semidefinite?
1995	Under what conditions should one use multilevel/hierarchical analysis?
51473	"matrix is not positive definite" - even when highly correlated variables are removed
32318	Difference between standard error and standard deviation
105382	Criteria for deleting variables in factor analysis
31598	Is Amazon's "average rating" misleading?
108211	Joint test for absolute value of a mean
6350	ANOVA assumption normality/normal distribution of residuals
44139	What is $P(X_1>X_2 , X_1>X_3,... , X_1>X_n)$?
85702	Weibull analysis
7542	How to perform goodness of fit test and how to assign probability with uniform distribution?
51907	What does it mean for two variables to be uncorrelated? How is it possible for two variables to be strongly related but still uncorrelated
82947	Intuitive examples of importance sampling
105545	$\chi^2$ goodness of fit - how to compute expected counts when $\exists$ unknown parameters
65446	Postive correlation but negative coefficient in regression
43020	Statistics and Probability interview questions
67782	How to compare two groups when one only has one data point?
46217	Find the distribution of w
9427	Interpreting Gaussian probabilities greater than 1
60670	"Accept null hypothesis" or "fail to reject the null hypothesis"?
99416	test if two normally distributed random variables are equal
63099	Book recommendations for beginners about probability distributions
50267	How to generate a non-normal correlated bivariate distribution
67958	How to calculate a "Predicted line"?
77349	Good books for Duration Analysis
72646	How to estimate the confidence interval using sample average and sample size ONLY?
72648	Interpretation of Kolmogorov-Smirnov Generated Distributions
28653	What is the best way to convert learning to rank to pairwise preference learning?
113194	Do Bayesians believe in Fixed Effect Models?
2151	How to plot ROC curves in multiclass classification?
113442	wilcox.test usage in R
106063	R-squared for linear mixed effects model
10613	Why are p-values uniformly distributed under the null hypothesis?
59174	Online logistic regression?
8661	Logistic Regression in R (Odds Ratio)
111170	How to interpret log of independent variable in Poisson regression?
17890	What is the difference between N and N-1 in calculating population variance?
28842	Significant predictor loses significance when second non-significant predictor is entered (log regression)
1850	Difference between Cohen's d and Hedges' g for effect size metrics
68069	Boxplot interpretation: is it correct that a boxplot is missing a whisker?
54645	Properties of moment-generating functions
59434	How to compare 2 regression slopes with R?
35535	A good Machine Learning Book
25235	What test should I use with shannon diversity index values?
84197	Probability of observing value EQUAL to +2 SD in a standard normal dist with parameters N(0,1)
7004	Calculating required sample size, precision of variance estimate?
83352	Sum of independent non-normal random variables
5747	If A and B are correlated with C, why are A and B not necessarily correlated?
88228	How do you calculate the Ordinary Least Squares estimated coefficients in a Multiple Regression Model?
7	Locating freely available data samples
53135	Probablity of getting sequence of K equal results while tossing coin N times
20010	How can I help ensure testing data does not leak into training data?
1266	A non-parametric repeated-measures multi-way Anova in R?
93042	non significance with one-way ANOVA, but significance with multiple comparisons
91981	Converting a similarity to a dissimilarity
9590	How to use principal components analysis to select variables for regression?
113831	Bias in lagged dependent variable
78000	Random Forests and Feature selection
3136	How to perform a test using R to see if data follows normal distribution
108297	dichotomizing a predictor variable
92052	Kolmogorov-Smirnov test for large sample
45807	What are the chances my wife has lupus?
70846	Imputing values using additional data w/o knowing underlying structure
68431	Interpretting LASSO variable trace plots
48199	Are these values really different, given their confidence intervals?
13399	Calculating the 95th percentile: Comparing normal distribution, R Quantile, and Excel approaches
91744	More examples of inconsistent, but unbiased data and vice versa?
92212	In testing random numbers, what other tests should I use to complement the Kolmogorov-Smirnov?
92210	Negative AIC linear regression model
61080	How can I calculate $\int^{\infty}_{-\infty}\Phi\left(\frac{w-a}{b}\right)\phi(w)\,\mathrm dw$
68377	Getting the inflection point(s) from a density plot
73416	In R, how do I fit a student-t distribution to a set of empirical data?
73412	normalising constant on exponential of exponential
33519	Distribution from which to sample integers evenly between 1 and 1000?
18738	what mean a p-value above 0.05 doing an ANOVA?
29824	Factor analysis and regression
97777	Variablity in cv.glmnet results
88711	How does Support vector machine predict the classes for the test points?
5853	Forcing a set of numbers to a gaussian bell-curve
43698	Central Limit Theorem
90828	Forecast Daily Data with Multiple Seasonality
45660	What is the probability of tossing k heads in n trials of a fair coin?
48781	Transform higher order Markov Chain to first order
29364	Probability associated with experiencing all outcomes
78374	binomial GLM output hugely affected by a factor level with all zeros
50095	Approximation of explained variance
114043	Clustering using different distance measures
91467	Understanding the effect of each parameter in a Monte Carlo Simulation
104496	Measures of association, Concordant and Discordant
32000	Excluding the components and only including the interaction term in a logistic regression?
26383	Conditional Expectation for Probability Distribution
84116	Estimates of variance from an iid sample
84115	Distribution of a vector divided by its sum
106381	How do I add a "confidence rating" to something?
88461	Derive Variance of regression coefficient in simple linear regression
30402	How to calculate mean and standard deviation in R given confidence interval and a normal or gamma distribution?
35929	Why we solve the dual problem in SVM?
96751	How to calculate a maximum standard deviation?
69407	How do I write a mathematical equation for ARIMA (2,1,0) x (0,2,2) period 12

26970

Validation techniques for hierarchical model

49942

Why is the Fisher Information matrix positive semidefinite?

1995

Under what conditions should one use multilevel/hierarchical analysis?

51473

"matrix is not positive definite" - even when highly correlated variables are removed

32318

Difference between standard error and standard deviation

105382

Criteria for deleting variables in factor analysis

31598

Is Amazon's "average rating" misleading?

108211

Joint test for absolute value of a mean

6350

ANOVA assumption normality/normal distribution of residuals

44139

What is $P(X_1>X_2 , X_1>X_3,... , X_1>X_n)$?

85702

Weibull analysis

7542

How to perform goodness of fit test and how to assign probability with uniform distribution?

51907

What does it mean for two variables to be uncorrelated? How is it possible for two variables to be strongly related but still uncorrelated

82947

Intuitive examples of importance sampling

105545

$\chi^2$ goodness of fit - how to compute expected counts when $\exists$ unknown parameters

65446

Postive correlation but negative coefficient in regression

43020

Statistics and Probability interview questions

67782

How to compare two groups when one only has one data point?

46217

Find the distribution of w

9427

Interpreting Gaussian probabilities greater than 1

60670

"Accept null hypothesis" or "fail to reject the null hypothesis"?

99416

test if two normally distributed random variables are equal

63099

Book recommendations for beginners about probability distributions

50267

How to generate a non-normal correlated bivariate distribution

67958

How to calculate a "Predicted line"?

77349

Good books for Duration Analysis

72646

How to estimate the confidence interval using sample average and sample size ONLY?

72648

Interpretation of Kolmogorov-Smirnov Generated Distributions

28653

What is the best way to convert learning to rank to pairwise preference learning?

113194

Do Bayesians believe in Fixed Effect Models?

2151

How to plot ROC curves in multiclass classification?

113442

wilcox.test usage in R

106063

R-squared for linear mixed effects model

10613

Why are p-values uniformly distributed under the null hypothesis?

59174

Online logistic regression?

8661

Logistic Regression in R (Odds Ratio)

111170

How to interpret log of independent variable in Poisson regression?

17890

What is the difference between N and N-1 in calculating population variance?

28842

Significant predictor loses significance when second non-significant predictor is entered (log regression)

1850

Difference between Cohen's d and Hedges' g for effect size metrics

68069

Boxplot interpretation: is it correct that a boxplot is missing a whisker?

54645

Properties of moment-generating functions

59434

How to compare 2 regression slopes with R?

35535

A good Machine Learning Book

25235

What test should I use with shannon diversity index values?

84197

Probability of observing value EQUAL to +2 SD in a standard normal dist with parameters N(0,1)

7004

Calculating required sample size, precision of variance estimate?

83352

Sum of independent non-normal random variables

5747

If A and B are correlated with C, why are A and B not necessarily correlated?

88228

How do you calculate the Ordinary Least Squares estimated coefficients in a Multiple Regression Model?

7

Locating freely available data samples

53135

Probablity of getting sequence of K equal results while tossing coin N times

20010

How can I help ensure testing data does not leak into training data?

1266

A non-parametric repeated-measures multi-way Anova in R?

93042

non significance with one-way ANOVA, but significance with multiple comparisons

91981

Converting a similarity to a dissimilarity

9590

How to use principal components analysis to select variables for regression?

113831

Bias in lagged dependent variable

78000

Random Forests and Feature selection

3136

How to perform a test using R to see if data follows normal distribution

108297

dichotomizing a predictor variable

92052

Kolmogorov-Smirnov test for large sample

45807

What are the chances my wife has lupus?

70846

Imputing values using additional data w/o knowing underlying structure

68431

Interpretting LASSO variable trace plots

48199

Are these values really different, given their confidence intervals?

13399

Calculating the 95th percentile: Comparing normal distribution, R Quantile, and Excel approaches

91744

More examples of inconsistent, but unbiased data and vice versa?

92212

In testing random numbers, what other tests should I use to complement the Kolmogorov-Smirnov?

92210

Negative AIC linear regression model

61080

How can I calculate $\int^{\infty}_{-\infty}\Phi\left(\frac{w-a}{b}\right)\phi(w)\,\mathrm dw$

68377

Getting the inflection point(s) from a density plot

73416

In R, how do I fit a student-t distribution to a set of empirical data?

73412

normalising constant on exponential of exponential

33519

Distribution from which to sample integers evenly between 1 and 1000?

18738

what mean a p-value above 0.05 doing an ANOVA?

29824

Factor analysis and regression

97777

Variablity in cv.glmnet results

88711

How does Support vector machine predict the classes for the test points?

5853

Forcing a set of numbers to a gaussian bell-curve

43698

Central Limit Theorem

90828

Forecast Daily Data with Multiple Seasonality

45660

What is the probability of tossing k heads in n trials of a fair coin?

48781

Transform higher order Markov Chain to first order

29364

Probability associated with experiencing all outcomes

78374

binomial GLM output hugely affected by a factor level with all zeros

50095

Approximation of explained variance

114043

Clustering using different distance measures

91467

Understanding the effect of each parameter in a Monte Carlo Simulation

104496

Measures of association, Concordant and Discordant

32000

Excluding the components and only including the interaction term in a logistic regression?

26383

Conditional Expectation for Probability Distribution

84116

Estimates of variance from an iid sample

84115

Distribution of a vector divided by its sum

106381

How do I add a "confidence rating" to something?

88461

Derive Variance of regression coefficient in simple linear regression

30402

How to calculate mean and standard deviation in R given confidence interval and a normal or gamma distribution?

35929

Why we solve the dual problem in SVM?

96751

How to calculate a maximum standard deviation?

69407

How do I write a mathematical equation for ARIMA (2,1,0) x (0,2,2) period 12