partial correlations
The partial correlation of x and y conditioning on z is the ordinary correlation of the residuals from the regression of x on z and the regression of y on z.
partial.corr(vars, cond)
vars |
matrix of data.frame of all the variables to be correlated. |
cond |
matrix of data.frame of all the variables to be conditioned on. |
matrix of partial correlations of the numeric variables in the argument
vars
conditioning on the numeric variables in cond
.
Richard M. Heiberger <rmh@temple.edu>
if.R(r= partial.corr(longley[,1:3], longley[,4:6]) ,s= partial.corr(longley.x[,1:3], longley.x[,4:6]) )
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