paired.r {psych}R Documentation

Test the difference between paired correlations

Description

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.

Usage

paired.r(xy, xz, yz, n)

Arguments

xy r(xy)
xz r(xz)
yz r(yz)
n Number of subjects

Details

Find a t2 statistic for the difference of two dependent correlations.

Value

t2

Author(s)

William Revelle
Northwestern University
Evanston, Illinois
revelle@northwestern.edu
http://personality-project.org/revelle.html

References

Examples

paired.r(.5,.3, .4, 100)

[Package psych version 1.0-33 Index]