[R] delete all columns with all values equal to zero
Peter.Alspach at plantandfood.co.nz
Fri Dec 23 04:38:42 CET 2011
Tena koe Frederico
yourDF[, apply(yourDF, 2, sum)!=0]
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Frederico Mestre
Sent: Friday, 23 December 2011 10:55 a.m.
To: r-help at r-project.org
Subject: [R] delete all columns with all values equal to zero
I'm sure this is quite simple, but I tried several options and I still can't
get I right.
I've got a data.frame and I want to delete all columns of which the sum is
Any ideas? Thanks,
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