Yes Joshua, it does the trick. Once more, I am surprised by the easiness and obviousness of R. Now, I would like to add argument row.names=NULL.
dd <- do.call(rbind, mget(paste("DailyPL",sel[-1], sep=""), envir=.GlobalEnv),row.names=NULL) > Error in do.call(rbind, mget(paste("DailyPL", sel[-1], sep = ""), envir = > .GlobalEnv), : unused argument(s) (row.names = NULL) Why this error? TY for your help > -----Original Message----- > From: Joshua Wiley [mailto:jwiley.ps...@gmail.com] > Sent: Wednesday, June 02, 2010 5:08 PM > To: arnaud Gaboury > Cc: r-help@r-project.org > Subject: Re: [R] bind select data frames > > This should do the trick: > > dd <- do.call(rbind, mget(paste("DailyPL",sel[-1], sep=""), > envir=.GlobalEnv)) > > > > On Wed, Jun 2, 2010 at 8:06 AM, arnaud Gaboury > <arnaud.gabo...@gmail.com> wrote: > > I am working with something like this : > > > > for (i in sel[-1]) { > > dd<-data.frame(do.call(rbind, > mget(paste("DailyPL",i,sep=""),envir=.GlobalEnv)),row.names=NULL) > > > > } > > > > But the result is not good. In the case where sel[-1]<-c("100420", > "100421"), "dd" is only equal to "DailyPL100421" > > > > > > > > > >> -----Original Message----- > >> From: Joshua Wiley [mailto:jwiley.ps...@gmail.com] > >> Sent: Wednesday, June 02, 2010 4:48 PM > >> To: arnaud Gaboury > >> Cc: r-help@r-project.org > >> Subject: Re: [R] bind select data frames > >> > >> Hello, > >> > >> Does this do what you are looking for? > >> > >> ############ > >> output <- NULL > >> for(i in paste("DailyPL", sel, sep="")[-1]){ > >> output <- rbind(output, get(i)) > >> } > >> ############ > >> > >> If you just want to rbind all the data frames, there are ways of > doing > >> it without a loop too, but since you specifically asked with the > >> condition for(i in sep[-1]) I did it using a loop. > >> > >> Best regards, > >> > >> Josh > >> > >> > >> On Wed, Jun 2, 2010 at 7:24 AM, arnaud Gaboury > >> <arnaud.gabo...@gmail.com> wrote: > >> > Dear group, > >> > > >> > Here is my environment: > >> > > >> >> ls() > >> > [1] "DailyPL100419" "DailyPL100420" "DailyPL100421" "dd" > >> "i" > >> > "l" "PLglobal" "Pos100416" "Pos100419" > >> "Pos100420" > >> > "Pos100421" "position" > >> > [13] "result" "sel" "Trad100416" "Trad100419" > >> > "Trad100420" "Trad100421" "trade" > >> > > >> > With "sel" the following element : > >> > > >> > sel <- > >> > c("100419", "100420", "100421") > >> > > >> > > >> > "DailyPL100419" , "DailyPL100420","DailyPL100421" are all data > frames > >> with > >> > same columns names. I want to rbind them with this condition : > >> > > >> > > >> > for (i in sel[-1]) > >> > > >> > I have no idea how to write it. > >> > > >> > TY for any help > >> > > >> > ______________________________________________ > >> > 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. > >> > > >> > >> > >> > >> -- > >> Joshua Wiley > >> Senior in Psychology > >> University of California, Riverside > >> http://www.joshuawiley.com/ > > > > > > > > -- > Joshua Wiley > Senior in Psychology > University of California, Riverside > http://www.joshuawiley.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.