[R] eigen vector question

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri Feb 18 11:26:05 CET 2005


Jessica Higgs wrote:

> Sorry to bother everyone, but I've looked in all of the help files and 
> manuals I have and I can't find the answer to this question.  I'm doing 
> principle component analysis by calculating the eigen vectors of a 
> correlation matrix that I have that is composed of 21 parameters.  I 
> have the eigen vectors and their values that R produced for me but I'm 
> not sure how to tell which eigen vector/value corresponds to which 
> parameter because when R produces eigen vectors it does so in decreasing 
> order of significance, meaning that the eigen vector that explains the 
> most of the variance is listed first, followed by the next eigen vector, 
> etc etc. Any help would be appreciated. Feel free to write back if you 
> need more information on my problem.  Thanks!
> 
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Have you considered to use princomp()?

Uwe Ligges




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