[GRASS-user] Testing i.pca ~ prcomp(), m.eigensystem ~ princomp()

[Nikos Alexandris]

On Tue, 2009-03-03 at 07:27 +0100, Nikos Alexandris wrote:
> # 2. Implementations of PCA ### ### ### ###
> 
> * R's implementation of:
> 
>    - method 1 (eigen) is the _princomp()_ function
> 
>       -*applies*:
>          \data centering
>          \data scaling

Hmm... sorry, this should be _only_ data centering.