[R] Finding missing elements by comparing vectors
Hi, Is there a function in R to do a-b where a and b are two non-numeric sets (or intersection complement of these two sets). Kind Regards, Praveen. [[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.
Re: [R] Finding missing elements by comparing vectors
Is there a function in R to do a-b where a and b are two non-numeric sets (or intersection complement of these two sets). I think you're looking for setdiff -steve -- Steve Lianoglou Graduate Student: Physiology, Biophysics and Systems Biology Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact __ 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.
Re: [R] Finding missing elements by comparing vectors
Or... X = c (red, blue, green, black ) ; Y = c(red, blue, green, magenta, cyan) unique ( c ( X [X %in% Y] , Y [Y %in% X] ) ) [1] red blue green David -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Praveen Surendran Sent: Thursday, July 16, 2009 11:42 AM To: r-help@r-project.org Subject: [R] Finding missing elements by comparing vectors Hi, Is there a function in R to do a-b where a and b are two non-numeric sets (or intersection complement of these two sets). Kind Regards, Praveen. [[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.
Re: [R] Finding missing elements by comparing vectors
This is just a variation of David's solution below: intersect(X,Y) # [1] red blue green HTH, Jorge On Thu, Jul 16, 2009 at 12:07 PM, David Huffer david.huf...@csosa.govwrote: Or... X = c (red, blue, green, black ) ; Y = c(red, blue, green, magenta, cyan) unique ( c ( X [X %in% Y] , Y [Y %in% X] ) ) [1] red blue green David -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Praveen Surendran Sent: Thursday, July 16, 2009 11:42 AM To: r-help@r-project.org Subject: [R] Finding missing elements by comparing vectors Hi, Is there a function in R to do a-b where a and b are two non-numeric sets (or intersection complement of these two sets). Kind Regards, Praveen. [[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. [[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.
