Since you specifically want either nov or dec you actually don't need '>=' use instead '= =' Felipe D. Carrillo Supervisory Fishery Biologist Department of the Interior US Fish & Wildlife Service California, USA http://www.fws.gov/redbluff/rbdd_jsmp.aspx
From: Roslina Zakaria <zrosl...@yahoo.com> >To: Felipe Carrillo <mazatlanmex...@yahoo.com> >Sent: Sunday, November 11, 2012 10:56 PM >Subject: Re: [R] arrange data > > >Thank you so much Felipe, I'll try your suggestion. > > >From: Felipe Carrillo <mazatlanmex...@yahoo.com> >To: Roslina Zakaria <zrosl...@yahoo.com>; "r-help@r-project.org" ><r-help@r-project.org> >Sent: Monday, November 12, 2012 12:09 PM >Subject: Re: [R] arrange data > > >Something like this...untested >I think cbind recycles the last value(31) since nov and dec are of different >length >nov <- kuantan.dt[(kuantan.dt$Bulan >=11);nov >dec <- kuantan.dt[(kuantan.dt$Bulan >=12);dec >both <- cbind(nov,dec) ># get the first 30 records >both <- head(both,30);both > > > >Felipe D. Carrillo >Supervisory Fishery Biologist >Department of the Interior >US Fish & Wildlife Service >California, USA >http://www.fws.gov/redbluff/rbdd_jsmp.aspx > > > >From: Roslina Zakaria <zrosl...@yahoo.com> >>To: "r-help@r-project.org" <r-help@r-project.org> >>Sent: Sunday, November 11, 2012 6:39 PM >>Subject: [R] arrange data >> >>Dear r-users, >> >>I have daily rainfall data from 1971 to 2000. I would like to extract >>november and december data only. I would also like to do column bind for >>november and december, therefore I would like to delete 31 December from >>december data so that the length of november and december are the same. Hope >>somebody can help me. I tried this below: >> >>> kuantan.dt.1 <- kuantan.dt[(kuantan.dt$Bulan >=11) & (kuantan.dt$Bulan <= >>> 12),] >>> head(kuantan.dt.1) ; tail(kuantan.dt.1) >> Tahun Bulan Hari Jumlah.Hujan.mm. >>305 71 11 1 0.0 >>306 71 11 2 16.3 >>307 71 11 3 0.0 >>308 71 11 4 0.0 >>309 71 11 5 12.2 >>310 71 11 6 4.6 >> Tahun Bulan Hari Jumlah.Hujan.mm. >>10953 0 12 26 0.0 >>10954 0 12 27 0.0 >>10955 0 12 28 20.0 >>10956 0 12 29 15.5 >>10957 0 12 30 6.4 >>10958 0 12 31 9.3 >> [[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.
