This should work which((x==2)|(x==3))
--Quotable Quotes----------------------------- A Smile costs Nothing But Rewards Everything - Anonymous Happiness is not perfected until it is shared -Jane Porter --- On Wed, 7/22/09, Michael Knudsen <[email protected]> wrote: From: Michael Knudsen <[email protected]> Subject: [R] Find multiple elements in a vector To: "r help" <[email protected]> Date: Wednesday, July 22, 2009, 2:32 PM Hi, Given a vector, say x=sample(0:9,10) x [1] 0 6 3 5 1 9 7 4 8 2 I can find the location of an element by which(x==2) [1] 10 but what if I want to find the location of more than one number? I could do c(which(x==2),which(x==3)) but isn't there something more streamlined? My first guess was y=c(2,3) which(x==y) integer(0) which doesn't work. I haven't found any clue in the R manual. Thanks! -- Michael Knudsen [email protected] http://lifeofknudsen.blogspot.com/ ______________________________________________ [email protected] 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. [[alternative HTML version deleted]]
______________________________________________ [email protected] 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.
