Skip to main content
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
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
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 not deleted user 4670

A measure of the degree of association among a pair of variables.

10 votes
2 answers
2k views

Computing mathematical expectation of the correlation coefficient or $R^2$ in linear regression

$r_{xy}$ (correlation coefficient) is the goodness of the fit line, I want to calculate $\mathbb{E}(r_{xy})$ or $\mathbb{E}(r_{xy}^2)$ (correlation of determination). … Updated: Is it possible to get the distribution of sample correlation coefficient? …
Fan Zhang's user avatar
  • 429