(no subject)
Huh? This answer seems to have absolutely no bearing on the question.
cheers,
Rolf Turner
On 02/21/2013 11:26 PM, PIKAL Petr wrote:
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?