Thanks. Soon after I posted this question, I discovered merge().
Steven H. Ranney On Tue, Nov 27, 2012 at 3:26 PM, John Kane <jrkrid...@inbox.com> wrote: > Have a look at ?merge > > John Kane > Kingston ON Canada > > >> -----Original Message----- >> From: steven.ran...@gmail.com >> Sent: Tue, 27 Nov 2012 15:17:58 -0700 >> To: r-help@r-project.org >> Subject: [R] Finding values in one column and >> >> All - >> >> I have a data frame >> >> data.a >> ID valueA valueB >> 6 12 12 >> 17 15 14 >> 58 18 16 >> 98 11 12 >> 73 19 20 >> 84 19 14 >> 58 20 14 >> 24 11 12 >> 81 15 16 >> 21 15 14 >> 62 14 12 >> 67 13 14 >> 78 13 17 >> 35 10 13 >> 13 11 15 >> 14 17 18 >> 85 16 15 >> 35 13 9 >> 18 15 16 >> >> and a data frame >> >> data.b >> ID valueA valueB >> 6 >> 84 >> 21 >> 78 >> 14 >> >> I'd like to have R find the data.b$ID in data.a$ID and insert the >> corresponding data.a$valueA and data.a$valueB into the appropriate >> columns in data.b. >> >> How can I do this? >> >> Thanks for you help. >> >> SR >> Steven H. Ranney >> >> ______________________________________________ >> 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. > > ____________________________________________________________ > Publish your photos in seconds for FREE > TRY IM TOOLPACK at http://www.imtoolpack.com/default.aspx?rc=if4 > > ______________________________________________ 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.
