> ?is.na > x <- c(NA, 3, 4, 5, NA) > which(is.na(x)) [1] 1 5 Charles Annis, P.E.
charles.an...@statisticalengineering.com phone: 561-352-9699 eFax: 614-455-3265 http://www.StatisticalEngineering.com -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Santosh Sent: Thursday, March 19, 2009 9:37 PM To: r-help@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 [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
