I think this is what you want NAD$Sample.Id <- t(Prot.amount[NAD$Sample.Id])
HTH Schalk Heunis On Sat, Sep 19, 2009 at 12:18 PM, Monna Nygård <monn...@hotmail.com> wrote: > > Hi, > > > > This is a question of a newbie getting into the exciting world of R. > > > > I have several dataframes in the same format as NAD: > > > > > > > NAD[1:3,1:3] > > Sample.Id Main.abs..1 Main.abs..2 > 148 10a 0.04836 0.04994 > 167 11a_1109 0.32245 0.36541 > 173 11b_1109 0.29293 0.32815 > > > What I want to do is to replace the Sample.Id with a corresponding > number.The number i have in another file,called Prot.amount > > > > > Prot.amount[1:3,1] > 10a 11a_1109 11b_1109 > 15.516 38.248 42.297 > > > > > > > row.names(NAD)<-(NAD[,1]) > > NAD$Sample.Id <- replace(NAD$Sample.Id, > NAD$Sample.Id=="10a",Prot.amount["10a",1]) > > > NAD[1:3,1:3] > Sample.Id Main.abs..1 Main.abs..2 > 10a 15.516 0.04836 0.04994 > 11a_1109 11a_1109 0.32245 0.36541 > 11b_1109 11b_1109 0.29293 0.32815 > > > > So what I have tried to do is to write a function that would allow me to > replace the values automatically of all dataframes. This I just can't get to > work. > > > > Thank you so much in advance! > > _________________________________________________________________ > [[elided Hotmail spam]] > > [[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. > [[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.