Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Favorites infavorites:mine
infavorites:1234
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with Search options user 9097

Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.

97
votes
9answers
The Pearson correlation coefficient of x and y is the same, whether you compute pearson(x, y) or pearson(y, x). This suggests that doing a linear regression of y given x or x given y should be the …
asked Feb 13 '12 by user9097
9
votes
3answers
Is there a general principle on whether one should compute pearson correlation for two random variables X and Y before taking their log transform or after? Is there a procedure to test which is more a …
asked Feb 13 '12 by user9097
89
votes
4answers
precise mathematical definition of what "variance explained" means in terms of principal component analysis (PCA)? For simple linear regression, the r-squared of best fit line is always described as …
asked Feb 10 '12 by user9097