Dear John, Assuming that your information is in the list x, does
substr(x,1,2) work for you? HTH, Jorge On Mon, Jun 2, 2008 at 10:07 PM, john.polo <[EMAIL PROTECTED]> wrote: > hello all, > > i want to split a list into smaller lists. the list looks like this: > CW-W730 CW-W720 CW-W710 CW-W700 CW-W690 CW-W680 CW-W670 CW-W660 > CE-W997 CE-W987 CE-W977 CE-W967 CE-W956 CE-W944 CE-W934 CE-W924 > 7W-W760 7W-W750 7W-96 7W-941 7W-932 7W-923 7W-914 7W-905 > 7E-W565 7E-W555 7E-W545 7E-W535 7E-W525 7E-906 7E-850 7E-840 ... > > > i want the smaller lists to be based on the first two characters, like CW > or 7E. i tried split() where the f variable = > c("1E-*","1W-*","2E-*","2W-*","5E-*","5W-*","7E-*","7W-*","CE-*","CW-*"), > but * doesn't work as a wildcard as i had hoped. can someone tell me the > appropriate wildcard character/symbol to use, please? > > john > > ______________________________________________ > 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.