User Roman Luštrik

72 votes

8 answers

62k views

Is PCA followed by a rotation (such as varimax) still PCA?

asked Jul 25, 2010 at 14:31

62 votes

3 answers

249k views

ANOVA assumption normality/normal distribution of residuals

asked Jan 18, 2011 at 19:07

30 votes

6 answers

11k views

What are alternatives to broken axes?

asked Aug 17, 2010 at 5:22

16 votes

5 answers

15k views

Can one use multiple regression to predict one principal component (PC) from several other PCs?

asked Jul 19, 2010 at 21:52

13 votes

5 answers

4k views

References for how to plan a study

asked Aug 6, 2010 at 8:06

11 votes

2 answers

8k views

When to use (non)parametric test of homoscedasticity assumption?

asked Sep 12, 2010 at 15:12

11 votes

2 answers

4k views

How to interpret these custom contrasts?

asked Jul 12, 2012 at 20:00

8 votes

2 answers

486 views

Boxplots as tables

asked Dec 4, 2010 at 9:05

8 votes

2 answers

638 views

Reality check using GLM

asked Apr 27, 2011 at 20:45

8 votes

1 answer

1k views

Help me understand nMDS algorithm

asked Aug 1, 2010 at 7:16

7 votes

1 answer

2k views

How to combine values based on standard errors?

asked Jun 29, 2012 at 13:23

5 votes

2 answers

2k views

Looking for estimates for my data using cumulative beta distribution

asked Sep 8, 2011 at 12:53

4 votes

2 answers

145 views

Assess density of a function in non-closed form

asked Jan 8, 2012 at 13:25

4 votes

0 answers

289 views

How to report estimate standard errors of levels from a one-way ANOVA

asked Jun 25, 2016 at 12:10

3 votes

2 answers

1k views

Mean of means by a factor versus global mean

asked Sep 5, 2011 at 19:30

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15 Questions

Is PCA followed by a rotation (such as varimax) still PCA?

ANOVA assumption normality/normal distribution of residuals

What are alternatives to broken axes?

Can one use multiple regression to predict one principal component (PC) from several other PCs?

References for how to plan a study

When to use (non)parametric test of homoscedasticity assumption?

How to interpret these custom contrasts?

Boxplots as tables

Reality check using GLM

Help me understand nMDS algorithm

How to combine values based on standard errors?

Looking for estimates for my data using cumulative beta distribution

Assess density of a function in non-closed form

How to report estimate standard errors of levels from a one-way ANOVA

Mean of means by a factor versus global mean