Yes, %in% or is.element(). Reid Huntsinger
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mike R Sent: Friday, June 17, 2005 4:32 PM To: [email protected] Subject: [R] an operator for "contains" k = c(1:9) if( length( which(k==3) ) ){ print("contained") }else{ print("not contained") } is therre a simple way to test if a vector/list contains a particular value? for example an operator, along the lines of: == more generally, is the a documentaion page that lists/describes all such operators? lastly, if you didn't know the answer to my question, how would you have gone about searching for an answer? I tried RSiteSearch() using various terms, and I opened R-2.1.0/library/base/html/00Index.html and searched for various terms. TIA ====================== platform i686-pc-linux-gnu arch i686 os linux-gnu system i686, linux-gnu status major 2 minor 1.0 year 2005 month 04 day 18 language R ______________________________________________ [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 ______________________________________________ [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
