A <- seq(200,210,1) B <- c(201,204,209) which(A %in% B)
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of mentor_ > Sent: Wednesday, October 08, 2008 11:19 AM > To: r-help@r-project.org > Subject: [R] Using grep > > > Hi, > > I have a vector A with (200, 201, 202, 203, 204, ... 210) and > a vector B with (201, 204, 209). > Now I would like to get the position in vector A matches with > the entries in vector B So what I want to have is the > following result: > [1] 2 5 10 > > I tried the following: > grep(B, A) > > grep(c(B), A) > > A <- as.character(A) > B <- as.character(B) > > grep(B, A) > grep(c(B), A) > > and several other combinations. But nothing is giving me the > right result?! > Does anyone know why? > > Cheers, > Mentor > -- > View this message in context: > http://www.nabble.com/Using-grep-tp19881017p19881017.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.
