-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 20/01/12 12:50, Johannes Radinger wrote: > Hello, > > this is a very simple question: How can I find out if a word is > part of a list of words > > like: a <- "word1" b <- "word4" > > vector <- c("word1","word2","word3") > > I tried it with match(a,vector) but this gives the position of the > word. > > I am not sure if and how that can be done with a logical operator > like if: IF text is part of vector THEN print "is part" > > Probably a very easy thing to do, but I am missing the logical > operator... and help(if) is not working
check out %in% help: ?"%in%" Cheers, Rainer > > best regards, johannes - -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Stellenbosch University South Africa Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62 59 98 Fax : +33 - (0)9 58 10 27 44 Fax (D): +49 - (0)3 21 21 25 22 44 email: rai...@krugs.de Skype: RMkrug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk8ZV7IACgkQoYgNqgF2egroawCfYAN/eOBMKN4VDTbBZtiBVGdS LAUAnR+h9kg2INJTICiGIAUTfYm2fCbC =Ws2h -----END PGP SIGNATURE----- ______________________________________________ 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.