Alexander Sirotkin schrieb:
> 
> hmm... isn't it just
> 
> recoverfrompca <- function(pcaobject, pcascores) {
>          pcascores %*% t(pcaobject$loadings)
> }
> 
Hi -

 I don't know the syntax (and the functions) in S-Plus.
But it is simply
 with the original data in zdat
 with the pca-loadings in load
 with the factor scores in fsc

 load*fsc = zdat        // if zdat is unknown
 fsc = load^-1 * zdat   // if fsc is unknown

Or what else dir you look for?

Gottfried Helms

--
Gottfried Helms
Univ Kassel
.
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