Write.table will give you all the control you need to get exactly what you want. Bryan
On 6/18/09 7:50 AM, "xavier.char...@free.fr" <xavier.char...@free.fr> wrote: > Hi, It sounds like the first column that is "added" is actually the row > names. That's why a previous answer pointed this argumented. Default for > write.csv is to write the row names along with the data. So, this should > work: write.csv2(exampleDataframe,file="exampleDataframe.csv", > row.names=FALSE) Xavier ----- Mail Original ----- De: "Lavri Labi" > <lavri.l...@tu-dortmund.de> À: "Jorge Ivan Velez" > <jorgeivanve...@gmail.com> Cc: r-help@r-project.org Envoyé: Jeudi 18 Juin 2009 > 12h35:31 GMT +01:00 Amsterdam / Berlin / Berne / Rome / Stockholm / > Vienne Objet: Re: [R] Questíon regarding the use of write.csv2, write.table > ... Dear Jorge, thank you for the quick answer. But I am afraid you didn´t > understand my problem. I want to write the following data frame > "exampleDataframe" in a csv2-file. "a";"b";"c";"d" 1 ; 2 ; 3 ; 4 5 ; 6 ; 7 > ; 8 9 ; 0 ; 1 ; 2 After sending the > command: write.csv2(exampleDataframe,file="exampleDataframe.csv") I become > the following file: "";"a";"b";"c";"d" 1 ; 1 ; 2 ; 3 ; 4 2 ; 5 ; 6 ; 7 ; 8 3 > ; 9 ; 0 ; 1 ; 2 How can I delete the first column added, which I do not > need? The row.names you suggest me is not reallly helpful in this > case. Cheers, Lavri > Dear Lavri, > Take a look at the row.names argument > in ?write.table. > > HTH, > > Jorge > > > On Thu, Jun 18, 2009 at 4:09 AM, > Lavri Labi > <lavri.l...@tu-dortmund.de>wrote: > >> Hi all, >> >> I use > "write.csv" and "write.table" to write a data frame in a file like >> > following: >> write.csv2(allRandomTestCase_XDroped, > "allRandomTestCase.csv") >> But in the created file "allRandomTestCase.csv" an > additional column >> with >> consecutive numbers is automatically added to the > column of the data >> frame >> "allRandomTestCase_XDroped". >> >> That is why > my question, how can I write data in a file without this >> added >> > column? >> >> Cheers, >> >> Lavri >> >> > ______________________________________________ >> 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-h...@r-project.or > g 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. ______________________________________________ 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.
