[R] Extract correlations from a matrix

[John Kane]

w[w>.6] seems to work for me. I cut down the size of
the matrix for easier visual inspection.  

m=matrix(sample(1:20,replace=T),4,5)
w=cor(m,use="pairwise.complete.obs")
w

w[w>.6]

perhaps perferabely 
w[w>0.6 & w!=1] 


--- Christoph Scherber
<Christoph.Scherber at agr.uni-goettingen.de> wrote:

> Dear R users,
> 
> suppose I have a matrix of observations for which I
> calculate all 
> pair-wise correlations:
> 
> m=matrix(sample(1:100,replace=T),10,10)
> w=cor(m,use="pairwise.complete.obs")
> 
> How do I extract only those correlations that are
> >0.6?
> 
> w[w>0.6] #obviously doesn´t work,
> 
> and I can´t find a way around it.
> 
> I would very much appreciate any help!
> 
> Best wishes
> Christoph
> 
> 
> (using R 2.5.1 on Windows XP)
> 
> 
> 
> 
> -- 
> Dr. Christoph Scherber
> DNPW, Agroecology
> University of Goettingen
> Waldweg 26
> D-37073 Goettingen
> Germany
> 
> phone +49(0)551 39 8807
> fax   +49(0)551 39 8806
> homepage www.gwdg.de/~cscherb1
> 
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