[R] which.na

[Charles Annis, P.E.]

> ?is.na
> x <- c(NA, 3, 4, 5, NA)
> which(is.na(x))
[1] 1 5

Charles Annis, P.E.

Charles.Annis at StatisticalEngineering.com
phone: 561-352-9699
eFax:  614-455-3265
http://www.StatisticalEngineering.com
 

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
Behalf Of Santosh
Sent: Thursday, March 19, 2009 9:37 PM
To: r-help at r-project.org
Subject: [R] which.na

Hi R- users

I was wondering if there is any function equivalent to which.na used in S+?

Thanks much in advance!

Regards,
Santosh

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