Thank you for the info. I did solve it using unlist lapply strsplit functions.
On Wed, Feb 24, 2016 at 9:31 PM, Bert Gunter <bgunter.4...@gmail.com> wrote: > Have you gone through any R tutorials yet? I didn't entirely > understand your question (and so cannot answer), but this sounds like > a basic subsetting/data wrangling task that you should know how to do > if you have gone through a basic tutorial or two. > > See also ?subset, ?"[" (basic indexing) and possibly also the plyR, > dplyr, or data.table packages that provide what some consider more > convenient and/or faster interfaces to these sorts of tasks. > > See also: http://vita.had.co.nz/papers/tidy-data.pdf > > for a nice article on "tidying" data (using plyr/dplyr). > > > > Cheers, > Bert > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Wed, Feb 24, 2016 at 6:57 PM, Val <valkr...@gmail.com> wrote: > > Hi all, > > > > One of the the columns of a data frame has a value such like > > > > AAAAS-2001-yy > > AAAAS-2004-xx > > FFFFF-2007-SS > > and so on > > > > based on this column (variable) I want subset a data frame where the > > middle value of this variable is between 2001 to 2004. > > THE END RESULT THE DATA FRAME WILL BE THIS. > > > > AAAAS-2001-yy > > AAAAS-2004-xx > > > > > > THANK YOU IN ADVANCE > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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 -- To UNSUBSCRIBE and more, see 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.
