Thanks, Jorge, that seems to work beautifully! (Now to try to understand why ... but that's for later). Ted.
On 25-Apr-2013 10:21:29 Jorge I Velez wrote: > Dear Dr. Harding, > > Try > > sapply(L, "[", 1) > sapply(L, "[", 2) > > HTH, > Jorge.- > > > > On Thu, Apr 25, 2013 at 8:16 PM, Ted Harding <ted.hard...@wlandres.net>wrote: > >> Greetings! >> For some reason I am not managing to work out how to do this >> (in principle) simple task! >> >> As a result of applying strsplit() to a vector of character strings, >> I have a long list L (N elements), where each element is a vector >> of two character strings, like: >> >> L[1] = c("A1","B1") >> L[2] = c("A2","B2") >> L[3] = c("A3","B3") >> [etc.] >> >> >From L, I wish to obtain (as directly as possible, e.g. avoiding >> a loop) two vectors each of length N where one contains the strings >> that are first in the pair, and the other contains the strings >> which are second, i.e. from L (as above) I would want to extract: >> >> V1 = c("A1","A2","A3",...) >> V2 = c("B1","B2","B3",...) >> >> Suggestions? >> >> With thanks, >> Ted. >> >> ------------------------------------------------- >> E-Mail: (Ted Harding) <ted.hard...@wlandres.net> >> Date: 25-Apr-2013 Time: 11:16:46 >> This message was sent by XFMail >> >> ______________________________________________ >> 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. >> ------------------------------------------------- E-Mail: (Ted Harding) <ted.hard...@wlandres.net> Date: 25-Apr-2013 Time: 11:31:57 This message was sent by XFMail ______________________________________________ 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.