But they row.names() cannot give me the IDs
On Wednesday, November 1, 2017 9:45 AM, David Wolfskill <r...@catwhisker.org> wrote: On Wed, Nov 01, 2017 at 04:13:42PM +0000, Elahe chalabi via R-help wrote: > Hi all, > I have two data frames that one of them does not have the column ID: > > > str(data) > 'data.frame': 499 obs. of 608 variables: > $ ID : int 1 2 3 4 5 6 7 8 9 10 ... > $ alright : int 1 0 0 0 0 0 0 1 2 1 ... > $ bad : int 1 0 0 0 0 0 0 0 0 0 ... > $ boy : int 1 2 1 1 0 2 2 4 2 1 ... > $ cooki : int 1 2 2 1 0 1 1 4 2 3 ... > $ curtain : int 1 0 0 0 0 2 0 2 0 0 ... > $ dish : int 2 1 0 1 0 0 1 2 2 2 ... > $ doesnt : int 1 0 0 0 0 0 0 0 1 0 ... > $ dont : int 2 1 4 2 0 0 2 1 2 0 ... > $ fall : int 3 1 0 0 1 0 1 2 3 2 ... > $ fell : int 1 0 0 0 0 0 0 0 0 0 ... > > and the other one is: > > > str(training) > 'data.frame': 375 obs. of 607 variables: > $ alright : num 1 0 0 0 1 2 1 0 0 0 ... > $ bad : num 1 0 0 0 0 0 0 0 0 0 ... > $ boy : num 1 1 2 2 4 2 1 0 1 0 ... > $ cooki : num 1 1 1 1 4 2 3 1 2 2 ... > $ curtain : num 1 0 2 0 2 0 0 0 0 0 ... > $ dish : num 2 1 0 1 2 2 2 1 4 1 ... > $ doesnt : num 1 0 0 0 0 1 0 0 0 0 ... > $ dont : num 2 2 0 2 1 2 0 0 1 0 ... > $ fall : num 3 0 0 1 2 3 2 0 2 0 ... > $ fell : num 1 0 0 0 0 0 0 0 0 0 ... > Does anyone know how should I get the IDs of training from data? > thanks for any help! > Elahe > .... row.names() appears to be what is wanted. Peace, david -- David H. Wolfskill r...@catwhisker.org Unsubstantiated claims of "Fake News" are evidence that the claimant lies again. See http://www.catwhisker.org/~david/publickey.gpg for my public key. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.