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blackdown
2010 Jul 03
1
Inverting a scale(X)
G'day, All.
I have been trying to trackdown a problem in my R analysis script. I perform a scale() operation on a matrix then do further work.
Is there any way of inverting the scale() such that
sX <- scale(X)
Xprime <- inv.scale(x); # does inv.scale exist?
resulting in Xprime_{ij} == X_{ij} where Xprime_{ij} \in R
There mu...