paired.r {psych} | R Documentation |
Test the difference between paired correlations. Given 3 variables, x, y, z, is the correlation between xy different than that between xz? If y and z are independent, this is a simple t-test. But, if they are dependent, it is a bit more complicated.
paired.r(xy, xz, yz, n)
xy |
r(xy) |
xz |
r(xz) |
yz |
r(yz) |
n |
Number of subjects |
Find a t2 statistic for the difference of two dependent correlations.
t2
William Revelle
Northwestern University
Evanston, Illinois
revelle@northwestern.edu
http://personality-project.org/revelle.html
paired.r(.5,.3, .4, 100)