On Tue, Jan 31, 2012 at 2:24 PM, Tal Galili <tal.gal...@gmail.com> wrote: > Hi there, > The command for merging is: > merge >
A fortunes candidate? -- Bert > Can you please clarify by which variable you wish to merge by? > Can you maybe use ?dput function in order to give a self contained R code > example of your data - and the output you wish to get? > > > Best, > Tal > > > > ----------------Contact > Details:------------------------------------------------------- > Contact me: tal.gal...@gmail.com | 972-52-7275845 > Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | > www.r-statistics.com (English) > ---------------------------------------------------------------------------------------------- > > > > > On Tue, Jan 31, 2012 at 8:51 PM, freezhu8 <freez...@gmail.com> wrote: > >> Suppose I have two data frames A and B >> A has three variables and B also has three variables. >> I would like to merge these two database but the requirement to merge >> is that the value of the second column in database A is less than the >> value of the second column in database B. Is there a R code to do >> this? Thanks >> >> Dataframe A: V1a V2a V3a >> 1 2 3 5 >> 2 3 4 6 >> 3 >> Dataframe B: V1b V2b V3b >> 1 2 5 9 >> 2 9 2 7 >> Dataframe C should be: V1a V2a V3a V1b V2b V3b >> 1 2 3 5 2 5 9 >> >> -- >> View this message in context: >> http://r.789695.n4.nabble.com/question-of-merging-two-dataframes-tp4345469p4345469.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. >> > > [[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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.