[R] (no subject)

[PIKAL Petr]

Hi

?ncol

Regards
Petr


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of nandita srivastava
> Sent: Thursday, February 21, 2013 8:34 AM
> To: r-help at r-project.org
> Subject: [R] (no subject)
> 
> how to sum columns in R?
> 
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