User Vic

15 votes

2 answers

29k views

Cut-off point in a ROC curve. Is there a simple function?

asked Jun 12, 2013 at 6:35

11 votes

1 answer

25k views

Which bootstrapped regression model should I choose?

asked May 23, 2013 at 13:13

7 votes

1 answer

7k views

How to interpret the significant interaction of two non-significant main predictors?

asked Jun 29, 2013 at 19:21

6 votes

2 answers

54k views

Is there a simple rule for interpretation of Interactions (and their directions) in binary logistic regression? [duplicate]

asked Apr 24, 2013 at 13:42

5 votes

1 answer

521 views

Given the below dependent variable description, should I choose either Ordered or Multinomial logistic regressions?

asked Jun 13, 2013 at 12:37

5 votes

1 answer

7k views

How to estimate Relative Risks in Multivariate Binary Logistic Regression Models, instead of Odds Ratios?

asked Jul 23, 2013 at 22:14

5 votes

5 answers

458 views

Multilevel MIXED Linear Regression with pseudo-repeats: Why designate "Repeated' variables, while "Subject ID" already identifies all repeats?

asked Jan 10 at 19:13

4 votes

1 answer

15k views

Is logistic regression still valid where there are repeated measurements and generalized estimating equations is the real deal?

asked Aug 20, 2013 at 11:52

4 votes

2 answers

4k views

Can bootstrapping improve the test power, when the sample size is small? [closed]

asked Mar 20, 2019 at 10:53

4 votes

2 answers

121 views

A curious clinical trial design - What is the type / name of this rare methodology?

asked May 30, 2021 at 21:11

4 votes

1 answer

136 views

What does a huge gap between P values of the same predictor computed in bootstrapped and non-bootstrapped versions of the same regression mean?

asked Jul 9, 2013 at 16:18

4 votes

2 answers

686 views

Meta analysis: How to assess the quality of each of the individual studies in a systematic way?

asked Jul 11, 2013 at 20:07

4 votes

0 answers

1k views

How to draw a funnel plot for an observational meta-analysis which concerns only with prevalence rates (no odds ratios or standard errors etc.)?

asked Jun 25, 2013 at 14:04

3 votes

3 answers

378 views

What to do when the predictors do not accord with common sense/literature, but the model is fine/best according to log likelihood and LRT?

asked Feb 6, 2013 at 17:53

3 votes

2 answers

316 views

ROC curve from an array of Confusion Matrices (true positive rates and false positive rates)

asked Jun 13, 2021 at 4:04

3 votes

2 answers

17k views

How to conduct a multilevel (hierarchical) binary logistic regression (in SPSS, R, or other software)?

asked Aug 22, 2013 at 15:55

3 votes

2 answers

5k views

What is the importance and implication of Random Intercept in a mixed-model?

asked Sep 8, 2013 at 11:24

3 votes

2 answers

11k views

Two-Way ANOVA calculation using summary data (mean, SD, sample size)

asked Dec 3, 2014 at 17:26

2 votes

1 answer

8k views

How to interpret the output of Cox regression with categorical nominal variables in SPSS?

asked Oct 3, 2014 at 18:52

2 votes

1 answer

4k views

Sample size calculation for a single proportion Without Any Comparisons (descriptive only): How to determine the margin of error in the formula?

asked Dec 21, 2013 at 11:23

2 votes

1 answer

824 views

Why do Minitab and SPSS give opposite results in Ordinal Logistic Regression?

asked Jun 10, 2013 at 18:05

2 votes

1 answer

79 views

How should I code these two variables? [duplicate]

asked May 26, 2013 at 17:36

2 votes

1 answer

514 views

After centering, interactions' effects got reversed. It was not fixed by reversing the dependent variable. What should I do?

asked Apr 29, 2013 at 9:26

2 votes

0 answers

78 views

Few main variables in the best model still show multicollineairty. Should I remove them despite their importance?

asked Apr 30, 2013 at 19:21

2 votes

1 answer

1k views

Is it normal to obtain better (smaller) P values in multivariate analysis compared to bivariate one?

asked May 9, 2013 at 9:45

2 votes

2 answers

2k views

The bootstrapped confidence intervals for ORs are strangely big or small in my binary logistic regression. Are they valid in the first place?

asked Jul 2, 2013 at 7:05

2 votes

0 answers

952 views

How to calculate SE for the ratio of two proportions?

asked Aug 4, 2013 at 12:13

1 vote

0 answers

576 views

How to decide and calculate the skewness of an asymmetric confidence interval around a mean or a mean difference? [closed]

asked Apr 25, 2014 at 13:08

1 vote

0 answers

143 views

A mixture of mixed-model regression and fixed-effects-only regression: what is it exactly?

asked Sep 5, 2013 at 10:12

1 vote

1 answer

1k views

Which statistical software can do Weibull analysis and draw these particular figures?

asked Jan 14, 2015 at 23:45

Stack Exchange Network

32 Questions

Cut-off point in a ROC curve. Is there a simple function?

Which bootstrapped regression model should I choose?

How to interpret the significant interaction of two non-significant main predictors?

Is there a simple rule for interpretation of Interactions (and their directions) in binary logistic regression? [duplicate]

Given the below dependent variable description, should I choose either Ordered or Multinomial logistic regressions?

How to estimate Relative Risks in Multivariate Binary Logistic Regression Models, instead of Odds Ratios?

Multilevel MIXED Linear Regression with pseudo-repeats: Why designate "Repeated' variables, while "Subject ID" already identifies all repeats?

Is logistic regression still valid where there are repeated measurements and generalized estimating equations is the real deal?

Can bootstrapping improve the test power, when the sample size is small? [closed]

A curious clinical trial design - What is the type / name of this rare methodology?

What does a huge gap between P values of the same predictor computed in bootstrapped and non-bootstrapped versions of the same regression mean?

Meta analysis: How to assess the quality of each of the individual studies in a systematic way?

How to draw a funnel plot for an observational meta-analysis which concerns only with prevalence rates (no odds ratios or standard errors etc.)?

What to do when the predictors do not accord with common sense/literature, but the model is fine/best according to log likelihood and LRT?

ROC curve from an array of Confusion Matrices (true positive rates and false positive rates)

How to conduct a multilevel (hierarchical) binary logistic regression (in SPSS, R, or other software)?

What is the importance and implication of Random Intercept in a mixed-model?

Two-Way ANOVA calculation using summary data (mean, SD, sample size)

How to interpret the output of Cox regression with categorical nominal variables in SPSS?

Sample size calculation for a single proportion Without Any Comparisons (descriptive only): How to determine the margin of error in the formula?

Why do Minitab and SPSS give opposite results in Ordinal Logistic Regression?

How should I code these two variables? [duplicate]

After centering, interactions' effects got reversed. It was not fixed by reversing the dependent variable. What should I do?

Few main variables in the best model still show multicollineairty. Should I remove them despite their importance?

Is it normal to obtain better (smaller) P values in multivariate analysis compared to bivariate one?

The bootstrapped confidence intervals for ORs are strangely big or small in my binary logistic regression. Are they valid in the first place?

How to calculate SE for the ratio of two proportions?

How to decide and calculate the skewness of an asymmetric confidence interval around a mean or a mean difference? [closed]

A mixture of mixed-model regression and fixed-effects-only regression: what is it exactly?

Which statistical software can do Weibull analysis and draw these particular figures?