Something like this...untested I think cbind recicles 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.
