Read help for the ifelse function. Type ?ifelse at the command line. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
Rantony <antony.akk...@ge.com> wrote: >Hi, > >Here i have been a matrix like this, > >*NAME AGE PALCE TRUE/FALSE* >ABC 20 INDIA >XYZ 30 FRANCE >PQR 40 USA >MNO 30 KENIYA >DEF 25 AUSTRALIA > >Here,* TRUE/FALSE* Column containing empty values. > >So my requirement what is , need to change all the *TRUE/FALSE *column >value >into "*TRUE*" where *AGE = 30*. >Note :- i *dont want* to use* any loop *and do. Main intension is avoid >loop,bcz there is a bulk of data. > >Final Matrix should be like this >*NAME AGE PALCE TRUE/FALSE* >ABC 20 INDIA > >XYZ 30 FRANCE TRUE >PQR 40 USA > >MNO 30 KENIYA TRUE >DEF 25 AUSTRALIA > > >Immediate Help Requied. > >Your, >Antony. > > >-- >View this message in context: >http://r.789695.n4.nabble.com/Hash-Table-Select-and-Change-Data-iniside-Matrix-tp4631312.html >Sent from the R help mailing list archive at Nabble.com. > >______________________________________________ >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. ______________________________________________ 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.