[R] deleting collumns with colSums==0

[Giovanni Petris]

A <- A[, colSums(A) != 0]

(untested)

> Date: Thu, 26 Apr 2007 05:19:21 -0700 (PDT)
> From: Milton Cezar Ribeiro <milton_ruser at yahoo.com.br>
> Sender: r-help-bounces at stat.math.ethz.ch
> Precedence: list
> 
> Dear all,
> 
> I have some matrices which colSums are equal to zero and I would like to delete all them.
> How can I do that?
> 
> Kind regards,
> 
> miltinho
> Brazil
> 
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-- 

Giovanni Petris  <GPetris at uark.edu>
Department of Mathematical Sciences
University of Arkansas - Fayetteville, AR 72701
Ph: (479) 575-6324, 575-8630 (fax)
http://definetti.uark.edu/~gpetris/