User Adrian

18 votes

3 answers

33k views

Choosing optimal K for KNN

asked Nov 30, 2014 at 19:25

11 votes

1 answer

47k views

How to calculate the likelihood function

asked Jan 10, 2015 at 2:42

11 votes

2 answers

2k views

Why does SAS nlmixed and R nlme give different model fit results?

asked Mar 27, 2018 at 20:17

8 votes

4 answers

10k views

What's the Kendall Tau's distance between these 2 rankings?

asked Aug 24, 2015 at 20:30

8 votes

1 answer

2k views

Difference between exchangeability and independence in causal inference

asked Dec 23, 2021 at 21:45

7 votes

1 answer

1k views

Understanding the pdf of a truncated normal distribution

asked May 25, 2021 at 18:51

7 votes

1 answer

9k views

Dealing with 0 in cell count for Fisher's exact test

asked Feb 25, 2016 at 19:38

7 votes

3 answers

6k views

Intuition behind regression sum of squares

asked Sep 13, 2016 at 23:43

7 votes

3 answers

391 views

What's an example of an estimator that is $o_p(n^{-1/2})$?

asked May 6, 2019 at 18:45

6 votes

2 answers

205 views

Assessing the relationship between continuous variables

asked Sep 22, 2015 at 17:54

6 votes

1 answer

134 views

Hypothesis testing for one sample proportions

asked May 28, 2015 at 7:31

6 votes

1 answer

2k views

How to show Neyman orthogonality of the score

asked Mar 10, 2022 at 6:15

6 votes

1 answer

2k views

What's the MSE of $\hat{Y}$ in ordinary least squares using bias-variance decomposition?

asked Jul 15, 2020 at 0:14

5 votes

1 answer

611 views

How to calculate test error

asked Jul 19, 2020 at 2:09

5 votes

2 answers

2k views

What does it mean for OLS residuals to be independent from the fitted values?

asked Mar 16, 2021 at 20:23

5 votes

1 answer

4k views

Which statistical test to use to test differences in multiple means (multiple populations)

asked Jan 14, 2015 at 23:59

5 votes

1 answer

224 views

How to calculate the MGF for a poisson random variable

asked Jun 10, 2014 at 3:28

5 votes

2 answers

4k views

How to assess difference in binary variable between two groups

asked Jan 29, 2016 at 0:38

5 votes

2 answers

632 views

If $X \sim a\chi_1^2$, and $Y \sim b\chi_1^2$, what's the distribution of $Z = X/Y$?

asked Feb 13, 2019 at 3:38

5 votes

1 answer

206 views

What advantages does classical regression have over shrinkage methods?

asked Jan 14, 2017 at 18:48

4 votes

1 answer

598 views

Why does my classical logistic regression model perform better than its elastic net counterpart?

asked Jan 19, 2017 at 19:44

4 votes

0 answers

8k views

How to interpret anova output for mixed model likelihood ratio test

asked Feb 14, 2017 at 14:56

4 votes

1 answer

615 views

Meta-analysis random effects model for survival estimates

asked Apr 5, 2017 at 6:10

4 votes

1 answer

2k views

ANOVA test p-value interpretation

asked Oct 15, 2016 at 23:49

4 votes

1 answer

3k views

Does cross validation not work for a multiple linear regression model?

asked Nov 13, 2016 at 18:11

4 votes

1 answer

271 views

How to write linear regression in matrix form for training/testing

asked Jul 8, 2020 at 4:57

4 votes

1 answer

922 views

R: understanding bezier curves

asked Jul 26, 2017 at 6:50

4 votes

2 answers

21k views

Conditional distribution of uniform random variable distributed over (0,1)

asked Jun 10, 2014 at 19:34

4 votes

2 answers

3k views

Given the moment generating function of $X$, find the distribution of $X$

asked Jun 10, 2014 at 20:16

4 votes

2 answers

299 views

What statistical techniques to use to distinguish between two groups?

asked Jul 28, 2014 at 6:49

Stack Exchange Network

114 Questions

Choosing optimal K for KNN

How to calculate the likelihood function

Why does SAS nlmixed and R nlme give different model fit results?

What's the Kendall Tau's distance between these 2 rankings?

Difference between exchangeability and independence in causal inference

Understanding the pdf of a truncated normal distribution

Dealing with 0 in cell count for Fisher's exact test

Intuition behind regression sum of squares

What's an example of an estimator that is $o_p(n^{-1/2})$?

Assessing the relationship between continuous variables

Hypothesis testing for one sample proportions

How to show Neyman orthogonality of the score

What's the MSE of $\hat{Y}$ in ordinary least squares using bias-variance decomposition?

How to calculate test error

What does it mean for OLS residuals to be independent from the fitted values?

Which statistical test to use to test differences in multiple means (multiple populations)

How to calculate the MGF for a poisson random variable

How to assess difference in binary variable between two groups

If $X \sim a\chi_1^2$, and $Y \sim b\chi_1^2$, what's the distribution of $Z = X/Y$?

What advantages does classical regression have over shrinkage methods?

Why does my classical logistic regression model perform better than its elastic net counterpart?

How to interpret anova output for mixed model likelihood ratio test

Meta-analysis random effects model for survival estimates

ANOVA test p-value interpretation

Does cross validation not work for a multiple linear regression model?

How to write linear regression in matrix form for training/testing

R: understanding bezier curves

Conditional distribution of uniform random variable distributed over (0,1)

Given the moment generating function of $X$, find the distribution of $X$

What statistical techniques to use to distinguish between two groups?