get_num_scale {plspm} | R Documentation |
Non-Metric Numerical Scale
Description
Internal function not to be called by the user
Usage
get_num_scale(X)
Arguments
X |
a matrix to be scaled |
Details
Internal function. get_num_scale
is called by
plspm
.
Value
scaled matrix
Warning
Do NOT use this function unless you are ME, a package developer, or a jedi user who really knows what is doing (seriously!)
Note
scales a matrix X in such a way that mean(X[,j])=0 and varpop(X[,j])=1 this means that sum(X[,j]^2) = n if MD, sum(X[,j]^2, na.rm=T) = number of available elements
[Package plspm version 0.5.1 Index]