dmrau/cqudubstack-stats · Datasets at Hugging Face

_id stringlengths 1 6	text stringlengths 15 138	title stringclasses 1 value
11691	How to tell if data is "clustered" enough for clustering algorithms to produce meaningful results?
64343	How to Interpret a negative log linear regression coefficient?
27916	Standard errors for multiple regression coefficients?
51699	Moment generating function of the inner product of two gaussian random vectors
56515	Estimate PDF from only positive data
79932	Does MLE always mean we know the underlying PDF of our data, and does EM mean we don't?
72370	How to perform unsupervised Random Forest classification using Breiman's code?
60766	How to test for significant difference between 2 binary variables in one sample
20514	Books for self-studying time series analysis?
57840	How does dsgh work in R?
67800	Creating a Quality Index
35566	How do I rank variables collected by a Likert scale questionnaire?
51718	Assessing approximate distribution of data based on a histogram
70605	PMF of two Poisson RV subtracted from each other
88588	Regression model for proportion or count when counts of outcome and total events are often zero
4700	What is the difference between fixed effect, random effect and mixed effect models?
13550	prcomp() vs lm() results in R
19891	Interpreting main effect and interaction
61179	GLM Distribution of Residuals
56124	subtraction of two multivariate normal distribution
99192	Why should the feature be standardized before feeding to the neural network algorithm
62880	No linear effects but a quadratic effect
73077	Analyzing reflected and transformed variables II
36305	Why do regression coefficients change when excluding variables?
83865	JAGS burn-in phase takes ZERO time?
92284	What is the meaning of the beta-coefficient for an interaction term in a crossover study?
41685	Why does increasing the number of features reduce performance?
104250	How to determine whether a categorical variable is statistically significant?
32248	Effect Size/Mean Squared Error from Linear Mixed-Model in R
97075	Forecasting daily online visits in r
25389	Obtaining predicted values (Y=1 or 0) from a logistic regression model fit
60076	Why are 5+ expected frequencies needed in Pearson's chi-square
108697	Difference between Time series and repeated measures analysis?
26271	Comparing two classifier accuracy results for statistical significance with t-test
44201	Link between moment-generating function and characteristic function
89926	What do you do when a centroid doesn't attract any points?
58486	Is it required for panel data to use dummy variables?
8881	How to perform a regression model with a mix of binary, nominal, ordinal, and continuous predictors?
8318	Interpretation of log transformed predictors in logistic regression
9926	Is there any use for the quantity $\int f(x)^2 dx$ in statistics or information theory?
25190	Naive Bayes for two continuous features
108085	Interpretation of Linear SVM Coefficients
47279	Is significance of the p-value reliable with extremely small sample sizes?
74537	Log or square-root transformation for ARIMA
66448	Should covariates that are not statistically significant be 'kept in' when creating a model?
97515	What does "likelihood is only defined up to a multiplicative constant of proportionality" mean in practice?
26465	Behavior of a sum of kernel functions
63177	In GLIM, Is the link function of mean linear in explanatory variables?
59526	Correction term in variance of mixture
66273	Wilcoxon two-sample test approximated by z-statistic
79043	Why PCA of data by means of SVD of the data?
35608	Detecting outstanding events
27786	How to compare ratings of airlines on a Likert scale when different participants have rated different airlines?
3438	Calculating percentile of normal distribution
79843	Is the W statistic outputted by wilcox.test() in R the same as the U statistic?
14168	How to generate two correlated categorical variables?
38053	Help with pretest-postest data analysis
90407	Libsvm includes training data in testing file
38870	Confusion regarding a probability problem
20425	having trouble applying hidden markov models to my game
101102	Can non-normal data be used for factor analysis?
86546	Text Books on Text Mining in R
577	Is there any reason to prefer the AIC or BIC over the other?
31326	How should one interpret the comparison of means from different sample sizes?
31327	Power analysis of a secondary data set with a multi-level model
89295	Determining If Transformation of Variables X Are Needed
41934	Non-parametric alternative for 2-way ANOVA
111440	Normality test with p-value equal to zero
32520	Sequence mining in univariate discrete data using R
114674	lsmeans: how to have mean and SD from pairwise comparison?
104444	Econometrics: Panel data without unit identifier
111835	regression. sufficient dimension reduction
87805	Significant interaction with non significant main effect
96722	How can dummy variables are able to add in Stata?
104567	Centering vs. Standarizing which one is better?
65779	Why is coefficient of determination used to assess fit of a least squares line?
6966	Why continue to teach and use hypothesis testing?
48302	A constant as an admissible estimator
51456	Why does the correlation coefficient between X and X-Y random variables tend to be 0.7
25094	How to interpret regression coefficients for a variable with takes positive and negative values?
18391	How to calculate the difference of two slopes?
4354	Distributions other than the normal where mean and variance are independent
91389	How to use gain and splitinfo for continuous attributes?
25708	Tests significative with parametric calculations and non-significative with non-parametric ones!
97659	Appropriate post-hoc test after a mixed design anova in R
64370	How to use SVD for dimensionality reduction
93768	impact on hypothesis if t-stat is equal to t-critical value for one-tail two-sample t-test?
55691	Regarding p-values, why 1% and 5%? Why not 6% or 10%?
4964	Is interaction possible between two continuous variables?
37399	Weighted geometric mean vs weighted mean
103863	Are there concerns with doing a generalized additive model with a smoothing term of multiple variables?
45165	MANOVA vs. Repeated Measure ANOVA
29889	Monte Carlo approach to compute prediction interval for GLM (Poisson & Neg Bin) with R
66868	random number generation and probability problems
104970	Quantitative method to determine necessary and sufficient causes
665	What's the difference between probability and statistics?
78795	Interpreting a confidence interval
24676	Difference between one-tailed and two-tailed testing?
84175	Confidence Interval for a Fraction?
3549	F and t statistics in a regression

11691

How to tell if data is "clustered" enough for clustering algorithms to produce meaningful results?

64343

How to Interpret a negative log linear regression coefficient?

27916

Standard errors for multiple regression coefficients?

51699

Moment generating function of the inner product of two gaussian random vectors

56515

Estimate PDF from only positive data

79932

Does MLE always mean we know the underlying PDF of our data, and does EM mean we don't?

72370

How to perform unsupervised Random Forest classification using Breiman's code?

60766

How to test for significant difference between 2 binary variables in one sample

20514

Books for self-studying time series analysis?

57840

How does dsgh work in R?

67800

Creating a Quality Index

35566

How do I rank variables collected by a Likert scale questionnaire?

51718

Assessing approximate distribution of data based on a histogram

70605

PMF of two Poisson RV subtracted from each other

88588

Regression model for proportion or count when counts of outcome and total events are often zero

4700

What is the difference between fixed effect, random effect and mixed effect models?

13550

prcomp() vs lm() results in R

19891

Interpreting main effect and interaction

61179

GLM Distribution of Residuals

56124

subtraction of two multivariate normal distribution

99192

Why should the feature be standardized before feeding to the neural network algorithm

62880

No linear effects but a quadratic effect

73077

Analyzing reflected and transformed variables II

36305

Why do regression coefficients change when excluding variables?

83865

JAGS burn-in phase takes ZERO time?

92284

What is the meaning of the beta-coefficient for an interaction term in a crossover study?

41685

Why does increasing the number of features reduce performance?

104250

How to determine whether a categorical variable is statistically significant?

32248

Effect Size/Mean Squared Error from Linear Mixed-Model in R

97075

Forecasting daily online visits in r

25389

Obtaining predicted values (Y=1 or 0) from a logistic regression model fit

60076

Why are 5+ expected frequencies needed in Pearson's chi-square

108697

Difference between Time series and repeated measures analysis?

26271

Comparing two classifier accuracy results for statistical significance with t-test

44201

Link between moment-generating function and characteristic function

89926

What do you do when a centroid doesn't attract any points?

58486

Is it required for panel data to use dummy variables?

8881

How to perform a regression model with a mix of binary, nominal, ordinal, and continuous predictors?

8318

Interpretation of log transformed predictors in logistic regression

9926

Is there any use for the quantity $\int f(x)^2 dx$ in statistics or information theory?

25190

Naive Bayes for two continuous features

108085

Interpretation of Linear SVM Coefficients

47279

Is significance of the p-value reliable with extremely small sample sizes?

74537

Log or square-root transformation for ARIMA

66448

Should covariates that are not statistically significant be 'kept in' when creating a model?

97515

What does "likelihood is only defined up to a multiplicative constant of proportionality" mean in practice?

26465

Behavior of a sum of kernel functions

63177

In GLIM, Is the link function of mean linear in explanatory variables?

59526

Correction term in variance of mixture

66273

Wilcoxon two-sample test approximated by z-statistic

79043

Why PCA of data by means of SVD of the data?

35608

Detecting outstanding events

27786

How to compare ratings of airlines on a Likert scale when different participants have rated different airlines?

3438

Calculating percentile of normal distribution

79843

Is the W statistic outputted by wilcox.test() in R the same as the U statistic?

14168

How to generate two correlated categorical variables?

38053

Help with pretest-postest data analysis

90407

Libsvm includes training data in testing file

38870

Confusion regarding a probability problem

20425

having trouble applying hidden markov models to my game

101102

Can non-normal data be used for factor analysis?

86546

Text Books on Text Mining in R

577

Is there any reason to prefer the AIC or BIC over the other?

31326

How should one interpret the comparison of means from different sample sizes?

31327

Power analysis of a secondary data set with a multi-level model

89295

Determining If Transformation of Variables X Are Needed

41934

Non-parametric alternative for 2-way ANOVA

111440

Normality test with p-value equal to zero

32520

Sequence mining in univariate discrete data using R

114674

lsmeans: how to have mean and SD from pairwise comparison?

104444

Econometrics: Panel data without unit identifier

111835

regression. sufficient dimension reduction

87805

Significant interaction with non significant main effect

96722

How can dummy variables are able to add in Stata?

104567

Centering vs. Standarizing which one is better?

65779

Why is coefficient of determination used to assess fit of a least squares line?

6966

Why continue to teach and use hypothesis testing?

48302

A constant as an admissible estimator

51456

Why does the correlation coefficient between X and X-Y random variables tend to be 0.7

25094

How to interpret regression coefficients for a variable with takes positive and negative values?

18391

How to calculate the difference of two slopes?

4354

Distributions other than the normal where mean and variance are independent

91389

How to use gain and splitinfo for continuous attributes?

25708

Tests significative with parametric calculations and non-significative with non-parametric ones!

97659

Appropriate post-hoc test after a mixed design anova in R

64370

How to use SVD for dimensionality reduction

93768

impact on hypothesis if t-stat is equal to t-critical value for one-tail two-sample t-test?

55691

Regarding p-values, why 1% and 5%? Why not 6% or 10%?

4964

Is interaction possible between two continuous variables?

37399

Weighted geometric mean vs weighted mean

103863

Are there concerns with doing a generalized additive model with a smoothing term of multiple variables?

45165

MANOVA vs. Repeated Measure ANOVA

29889

Monte Carlo approach to compute prediction interval for GLM (Poisson & Neg Bin) with R

66868

random number generation and probability problems

104970

Quantitative method to determine necessary and sufficient causes

665

What's the difference between probability and statistics?

78795

Interpreting a confidence interval

24676

Difference between one-tailed and two-tailed testing?

84175

Confidence Interval for a Fraction?

3549

F and t statistics in a regression