User tomka

38 votes

4 answers

18k views

LASSO with interaction terms - is it okay if main effects are shrunk to zero?

asked Nov 7, 2016 at 19:41

24 votes

2 answers

4k views

Mother milk of 6 Corona-positive (COVID-19) women does not contain the virus - can we make a confidence statement about this?

asked Mar 18, 2020 at 19:20

23 votes

3 answers

14k views

What is the relationship between the Beta distribution and the logistic regression model?

asked Jan 31, 2017 at 12:27

20 votes

4 answers

18k views

Does Bayes theorem hold for expectations?

asked Feb 9, 2017 at 16:36

17 votes

2 answers

24k views

Why is the standard deviation defined as sqrt of the variance and not as the sqrt of sum of squares over N?

asked Sep 22, 2014 at 17:10

13 votes

2 answers

4k views

The $z$-test vs the $\chi^2$-test for comparing the odds of catching a cold in 2 groups

asked Jan 12, 2014 at 2:08

12 votes

2 answers

3k views

How can I pool bootstrapped p-values across multiply imputed data sets?

asked Dec 2, 2013 at 12:30

12 votes

5 answers

6k views

What is the relationship between $p$ values and Type I errors [duplicate]

asked Dec 18, 2014 at 17:49

12 votes

1 answer

2k views

Overdispersion and modeling alternatives in Poisson random effect models with offsets

asked Jan 9, 2015 at 16:31

11 votes

1 answer

12k views

Model selection: can I compare the AIC from models of count data between linear and poisson models?

asked Feb 25, 2015 at 14:03

11 votes

3 answers

5k views

Is the Gaussian Kernel still a valid Kernel when taking the negative of the inner function?

asked Oct 26, 2016 at 19:54

11 votes

2 answers

12k views

What is the relationship between the Harrel's C and the AUC?

asked Nov 22, 2019 at 21:45

10 votes

1 answer

7k views

What is a good proposal distribution for Metropolis-Hastings for strictly positive parameters?

asked Oct 24, 2017 at 19:14

9 votes

2 answers

7k views

Does Bayes theorem apply to joint distributions of discrete and continuous random variables?

asked Feb 5, 2020 at 15:48

9 votes

2 answers

1k views

What is the best way to estimate the average treatment effect in a longitudinal study?

asked Feb 10, 2017 at 13:10

9 votes

1 answer

935 views

Why is the Bayesian credible interval in this polynomial regression biased whereas the confidence interval is correct?

asked Sep 29, 2017 at 17:00

9 votes

2 answers

12k views

Covariance of two sample means

asked Jul 28, 2015 at 16:41

8 votes

1 answer

785 views

In propensity score analysis, what are options to deal with very small or large propensities?

asked Nov 21, 2016 at 15:26

8 votes

1 answer

1k views

Which adaptive Metropolis Hastings algorithm is implemented in R package MHadaptive?

asked Oct 27, 2017 at 9:25

8 votes

1 answer

2k views

Is Monte Carlo cross-validation procedure valid?

asked Feb 26, 2018 at 18:50

7 votes

0 answers

159 views

Does EM algorithm require us to know the joint (predictive) distribution of the latent variables $Z$ when $Z$ is two-dimensional?

asked Feb 21, 2020 at 19:06

7 votes

1 answer

194 views

Which categorical variable encoding should I use if I want the model intercept to have the interpretation of the global mean?

asked Sep 26, 2020 at 15:17

7 votes

0 answers

68 views

Deriving the distribution of $X^p$ if $X$ is Weibull distributed and estimating the parameters

asked Jun 13, 2023 at 18:59

7 votes

2 answers

7k views

In Bayesian terminology, what does evidence refer to?

asked Sep 9, 2016 at 15:50

7 votes

2 answers

9k views

How to derive the MLE of a Gaussian mixture distribution

asked Sep 19, 2016 at 18:16

6 votes

1 answer

3k views

How can I obtain prediction intervals for survival prediction in the Cox model?

asked Mar 17, 2017 at 16:33

6 votes

2 answers

889 views

Cramér's $V$ on Rao-Scott adjusted Pearson $\chi^2$

asked Sep 10, 2013 at 13:29

6 votes

3 answers

4k views

Stepwise regression modeling using multiply imputed data sets

asked Aug 4, 2014 at 16:14

5 votes

1 answer

254 views

Is this statement about the conditional expectation of a sum true?

asked Jan 30, 2014 at 12:21

5 votes

2 answers

2k views

What is the definition of "death rate" in survival analysis?

asked Feb 3, 2016 at 14:09

Stack Exchange Network

103 Questions

LASSO with interaction terms - is it okay if main effects are shrunk to zero?

Mother milk of 6 Corona-positive (COVID-19) women does not contain the virus - can we make a confidence statement about this?

What is the relationship between the Beta distribution and the logistic regression model?

Does Bayes theorem hold for expectations?

Why is the standard deviation defined as sqrt of the variance and not as the sqrt of sum of squares over N?

The $z$-test vs the $\chi^2$-test for comparing the odds of catching a cold in 2 groups

How can I pool bootstrapped p-values across multiply imputed data sets?

What is the relationship between $p$ values and Type I errors [duplicate]

Overdispersion and modeling alternatives in Poisson random effect models with offsets

Model selection: can I compare the AIC from models of count data between linear and poisson models?

Is the Gaussian Kernel still a valid Kernel when taking the negative of the inner function?

What is the relationship between the Harrel's C and the AUC?

What is a good proposal distribution for Metropolis-Hastings for strictly positive parameters?

Does Bayes theorem apply to joint distributions of discrete and continuous random variables?

What is the best way to estimate the average treatment effect in a longitudinal study?

Why is the Bayesian credible interval in this polynomial regression biased whereas the confidence interval is correct?

Covariance of two sample means

In propensity score analysis, what are options to deal with very small or large propensities?

Which adaptive Metropolis Hastings algorithm is implemented in R package MHadaptive?

Is Monte Carlo cross-validation procedure valid?

Does EM algorithm require us to know the joint (predictive) distribution of the latent variables $Z$ when $Z$ is two-dimensional?

Which categorical variable encoding should I use if I want the model intercept to have the interpretation of the global mean?

Deriving the distribution of $X^p$ if $X$ is Weibull distributed and estimating the parameters

In Bayesian terminology, what does evidence refer to?

How to derive the MLE of a Gaussian mixture distribution

How can I obtain prediction intervals for survival prediction in the Cox model?

Cramér's $V$ on Rao-Scott adjusted Pearson $\chi^2$

Stepwise regression modeling using multiply imputed data sets

Is this statement about the conditional expectation of a sum true?

What is the definition of "death rate" in survival analysis?