Have you read AN INTRODUCTION TO R? ?%in%
Bert Gunter Genentech Nonclinical Statistics > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of chipmaney > Sent: Friday, July 23, 2010 3:39 PM > To: r-help@r-project.org > Subject: [R] Reconciling 2 datasets > > > I have a dataframe: > > Empirical.df <- data.frame(ID=c("MCUP1-2","MCUP2-5", "MCUP3-3", > "MCUP4-3","MCUP5-9"), Cover=c(60,40,45,68,72)) > > > However, I only want to use a subset of Cover.df for my analysis. The > samples I want to use are: > > Samples.v <- c("MCUP1-2", "MCUP4-3","MCUP5-9") > > How do I use indexing Empirical.df by Samples.v to return a new dataframe > with only the data I am interested in? > > Here is what I mean: > > Cover.df <- Empirical.df[???,] > > returns: > > Cover.df > >> Cover.df > ID Cover > 1 MCUP1-2 60 > 3 MCUP4-3 68 > 5 MCUP5-9 72 > -- > View this message in context: http://r.789695.n4.nabble.com/Reconciling-2- > datasets-tp2300772p2300772.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.
