User Alexis

75 votes

Is the COVID-19 pandemic curve a Gaussian curve?

answered Mar 22, 2020 at 15:25

52 votes

Accepted

Why does frequentist hypothesis testing become biased towards rejecting the null hypothesis with sufficiently large samples?

answered Jul 22, 2014 at 20:45

47 votes

Accepted

Assumptions of linear models and what to do if the residuals are not normally distributed

answered May 27, 2014 at 17:04

43 votes

What are some of the most common misconceptions about linear regression?

answered Jun 9, 2016 at 19:40

35 votes

Accepted

What's the difference between the variance and the mean squared error?

answered Mar 5, 2015 at 20:29

32 votes

What is the relationship between $Y$ and $X$ in this plot?

answered Sep 7, 2014 at 19:04

30 votes

Why do we need to dummy code categorical variables?

answered Sep 10, 2014 at 23:41

30 votes

Accepted

When should we discretize/bin continuous independent variables/features and when should not?

answered Aug 19, 2016 at 18:15

29 votes

Post-hoc tests after Kruskal-Wallis: Dunn's test or Bonferroni corrected Mann-Whitney tests?

answered Apr 26, 2014 at 4:41

26 votes

Understanding shape and calculation of confidence bands in linear regression

answered Jun 5, 2014 at 17:28

25 votes

Why are hypothesis tests still used when we have the bootstrap and central limit theorem?

answered Oct 23, 2021 at 5:40

24 votes

Backward selection for Cox model using R

answered Sep 17, 2014 at 23:31

22 votes

Accepted

Is a spline interpolation considered to be a nonparametric model?

answered Apr 1, 2021 at 16:43

22 votes

Are all continuous random variables normally distributed?

answered Aug 13, 2018 at 16:12

21 votes

Is Fisher's LSD as bad as they say it is?

answered Jul 9, 2014 at 17:41

20 votes

Accepted

How to fill in missing data in time series?

answered Nov 13, 2016 at 0:26

19 votes

Accepted

Frequentist perspective of regression coefficients and significance (coming from Bayesian background)?

answered Aug 18, 2021 at 0:36

19 votes

Accepted

How to read the results of Dunn's test?

answered Dec 5, 2014 at 22:24

19 votes

Accepted

Why is the sum of probabilities in a continuous uniform distribution not infinity?

answered Aug 28, 2018 at 3:32

18 votes

Accepted

Can an instrumental variable equation be written as a directed acyclic graph (DAG)?

answered Mar 14, 2018 at 17:52

17 votes

Accepted

Can Mann-Whitney test be used for post-hoc comparisons after Kruskal-Wallis?

answered Aug 14, 2014 at 16:43

16 votes

Examples for Type I and Type II errors

answered Aug 3, 2014 at 17:14

16 votes

Accepted

What is the difference between various Kruskal-Wallis post-hoc tests?

answered Mar 15, 2015 at 22:56

15 votes

Accepted

False discovery rate of multiple regressions models

answered May 9, 2014 at 16:02

15 votes

Stepwise binary logistic regression, Forward or Backward?

answered Feb 23 at 0:10

14 votes

How to do stepwise regression with a binary dependent variable?

answered Aug 24, 2018 at 19:59

13 votes

What does "curvilinear" mean?

answered Aug 9, 2014 at 15:51

13 votes

Are pairwise Wilcoxon tests a valid non-parametric alternative to Tukey's HSD test?

answered Sep 8, 2014 at 21:43

13 votes

Accepted

"Histomancy": What does McElreath propose we do instead?

answered Mar 24, 2021 at 15:46

13 votes

Three questions about the article "Ditch p-values. Use Bootstrap confidence intervals instead"

answered Nov 9, 2021 at 17:03

Stack Exchange Network

459 Answers

Is the COVID-19 pandemic curve a Gaussian curve?

Why does frequentist hypothesis testing become biased towards rejecting the null hypothesis with sufficiently large samples?

Assumptions of linear models and what to do if the residuals are not normally distributed

What are some of the most common misconceptions about linear regression?

What's the difference between the variance and the mean squared error?

What is the relationship between $Y$ and $X$ in this plot?

Why do we need to dummy code categorical variables?

When should we discretize/bin continuous independent variables/features and when should not?

Post-hoc tests after Kruskal-Wallis: Dunn's test or Bonferroni corrected Mann-Whitney tests?

Understanding shape and calculation of confidence bands in linear regression

Why are hypothesis tests still used when we have the bootstrap and central limit theorem?

Backward selection for Cox model using R

Is a spline interpolation considered to be a nonparametric model?

Are all continuous random variables normally distributed?

Is Fisher's LSD as bad as they say it is?

How to fill in missing data in time series?

Frequentist perspective of regression coefficients and significance (coming from Bayesian background)?

How to read the results of Dunn's test?

Why is the sum of probabilities in a continuous uniform distribution not infinity?

Can an instrumental variable equation be written as a directed acyclic graph (DAG)?

Can Mann-Whitney test be used for post-hoc comparisons after Kruskal-Wallis?

Examples for Type I and Type II errors

What is the difference between various Kruskal-Wallis post-hoc tests?

False discovery rate of multiple regressions models

Stepwise binary logistic regression, Forward or Backward?

How to do stepwise regression with a binary dependent variable?

What does "curvilinear" mean?

Are pairwise Wilcoxon tests a valid non-parametric alternative to Tukey's HSD test?

"Histomancy": What does McElreath propose we do instead?

Three questions about the article "Ditch p-values. Use Bootstrap confidence intervals instead"