Function to implement Johnson's (2000) relative weight computation.
Usage
.relWt(rxx, rxy)
Arguments
rxx
A matrix of predictor intercorrelations.
rxy
A vector of predictor, criterion correlations.
Value
DO THIS JEFF
References
Johnson, J. (2000). A heuristic method for estimating the
relative weight of predictor variables in multiple regression.
Multivariate Behavioral Research, 35, 1--19.