[R] Standard deviation for rows

[Nutter, Benjamin]

?apply

e.g. apply(matrix,1,sd)

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of Alex99
Sent: Wednesday, October 15, 2008 1:17 PM
To: r-help at r-project.org
Subject: [R] Standard deviation for rows


Hi everyone,

I have just started using R, and I have a simple question.
How can I get the Standard deviation for rows. basically I am looking
for
something like  "rowMeans()"  
but for Standard deviation (I tried "rowSds()" didn't exist)

Thanks,
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