User ecjb

6 votes

1 answer

8k views

How to get around the glmer warning : “Downdated VtV is not positive definite”

asked Sep 13, 2018 at 16:37

4 votes

1 answer

408 views

Interpretation of the region of rejection in hypothesis testing in binomial distribution

asked May 3, 2019 at 4:50

4 votes

1 answer

2k views

How to read the mean and standard deviation from a Q-Q plot

asked Jun 11, 2019 at 12:55

4 votes

2 answers

171 views

Is it better to present the result of a $\textit{t}$-test as mean$\pm$SD or mean$\pm$SEM?

asked Jun 30, 2019 at 14:58

3 votes

0 answers

696 views

Which test to use to detect difference in proportion between more than 2 groups? Logistic regression?

asked Sep 22, 2018 at 20:52

3 votes

3 answers

1k views

Calculate AIC for both linear and non-linear models

asked Jun 27, 2022 at 14:16

2 votes

1 answer

1k views

How to compute (manually) the MSE and $\theta$ with k-fold cross validation in a multiple linear regression

asked Jun 16, 2020 at 20:19

2 votes

1 answer

2k views

Why does Logistic regression doesn't give the same result as a Chi square test when testing difference of frequency with more than 2 groups?

asked Sep 22, 2018 at 22:40

2 votes

2 answers

304 views

Cox model regression - interpretation of survival graph

asked Oct 3, 2018 at 17:13

2 votes

1 answer

3k views

How to compute residuals in multiple linear regression model

asked May 7, 2019 at 4:43

2 votes

1 answer

20k views

Difference between p value and r

asked Jul 3, 2018 at 6:39

2 votes

1 answer

515 views

Assumption tests to be run on each independent variable or on the entire model in a multiple linear regression?

asked Jul 24, 2018 at 20:21

2 votes

1 answer

431 views

Mixed models in R : Compare measurements over several time points with missing data in 3 populations [closed]

asked Aug 31, 2018 at 10:17

1 vote

1 answer

226 views

What are criteria to select the variables to include in a multiple Cox regression model

asked Mar 11, 2019 at 12:44

1 vote

1 answer

191 views

Bayesian estimator $\theta(x)$

asked Dec 28, 2019 at 17:29

1 vote

1 answer

3k views

Check log-linearity of a continuous variable to predict survival

asked Oct 5, 2018 at 13:58

1 vote

1 answer

2k views

Different length in variable and residuals from the model

asked Oct 8, 2018 at 5:19

1 vote

1 answer

6k views

3:1 matching with MatchIt in R. The number of matched control is not equal to 3 times the number of cases

asked Oct 14, 2018 at 14:22

1 vote

0 answers

287 views

Which test to use to test for heteroscedasticity in a non linear model/fit?

asked Jan 6, 2022 at 11:20

1 vote

1 answer

87 views

Linear Mixed models: show that one paramter has an effect on outcome with two affecting parameters

asked Aug 30, 2022 at 11:40

1 vote

1 answer

541 views

Model selection: Is AIC enough or should one compute the p-value in model selection (and if yes to how to do it?)?

asked Jun 27, 2022 at 7:20

0 votes

1 answer

127 views

How to properly count the number K in the Aikaike Information Criterion (AIC) in non-linear models?

asked Feb 12, 2022 at 9:31

0 votes

1 answer

109 views

How to report the result a mixed model effects in a scientific article

asked Dec 22, 2021 at 13:32

0 votes

0 answers

126 views

Cox hazard Model: HR of 1 variable greater than 1 in simple regression becomes smaller than 1 in a multiple regression

asked Jan 27, 2019 at 21:45

0 votes

0 answers

304 views

R - is it ok to treat autocorrelation by randomly changing the order of variable [duplicate]

asked Mar 12, 2018 at 10:54

Stack Exchange Network

25 Questions

How to get around the glmer warning : “Downdated VtV is not positive definite”

Interpretation of the region of rejection in hypothesis testing in binomial distribution

How to read the mean and standard deviation from a Q-Q plot

Is it better to present the result of a $\textit{t}$-test as mean$\pm$SD or mean$\pm$SEM?

Which test to use to detect difference in proportion between more than 2 groups? Logistic regression?

Calculate AIC for both linear and non-linear models

How to compute (manually) the MSE and $\theta$ with k-fold cross validation in a multiple linear regression

Why does Logistic regression doesn't give the same result as a Chi square test when testing difference of frequency with more than 2 groups?

Cox model regression - interpretation of survival graph

How to compute residuals in multiple linear regression model

Difference between p value and r

Assumption tests to be run on each independent variable or on the entire model in a multiple linear regression?

Mixed models in R : Compare measurements over several time points with missing data in 3 populations [closed]

What are criteria to select the variables to include in a multiple Cox regression model

Bayesian estimator $\theta(x)$

Check log-linearity of a continuous variable to predict survival

Different length in variable and residuals from the model

3:1 matching with MatchIt in R. The number of matched control is not equal to 3 times the number of cases

Which test to use to test for heteroscedasticity in a non linear model/fit?

Linear Mixed models: show that one paramter has an effect on outcome with two affecting parameters

Model selection: Is AIC enough or should one compute the p-value in model selection (and if yes to how to do it?)?

How to properly count the number K in the Aikaike Information Criterion (AIC) in non-linear models?

How to report the result a mixed model effects in a scientific article

Cox hazard Model: HR of 1 variable greater than 1 in simple regression becomes smaller than 1 in a multiple regression

R - is it ok to treat autocorrelation by randomly changing the order of variable [duplicate]