[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!
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html

Have you considered to use princomp()?

Uwe Ligges

More information about the R-help mailing list