I wonder if grep() will help you? Cheers
Andrew On Mon, May 02, 2011 at 11:03:52AM +0200, Matev? Pavli? wrote: > Hi, > > > > Is it possible (i am sure it is) to subset data from a data.frame on the > basis of SQL >LIKE< operator. I.e., i would like to subset a data where only > values which contains a string >GP< would be used? > > > > Example: > > > > Gp<-subset(DF, DF$USCS like >GP<) > > > > This like of course is not working, > > > > Thanks, m > > > [[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. -- Andrew Robinson Program Manager, ACERA Department of Mathematics and Statistics Tel: +61-3-8344-6410 University of Melbourne, VIC 3010 Australia (prefer email) http://www.ms.unimelb.edu.au/~andrewpr Fax: +61-3-8344-4599 http://www.acera.unimelb.edu.au/ Forest Analytics with R (Springer, 2011) http://www.ms.unimelb.edu.au/FAwR/ Introduction to Scientific Programming and Simulation using R (CRC, 2009): http://www.ms.unimelb.edu.au/spuRs/ ______________________________________________ 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.