thanks. Merge? I am just looking for a method to comparison on homogeneous sample between two dataset.
2011/8/25 Jeff Newmiller <jdnew...@dcn.davis.ca.us> > ?merge may be what you are looking for. If not, you should clarify what you > want to do. > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go Live... > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... > Live: OO#.. Dead: OO#.. Playing > Research Engineer (Solar/Batteries O.O#. #.O#. with > /Software/Embedded Controllers) .OO#. .OO#. rocks...1k > --------------------------------------------------------------------------- > > Sent from my phone. Please excuse my brevity. > > Jie TANG <totang...@gmail.com> wrote: > >> hi , >> Now I have two dataset and want to compare them with same sample. >> Dataset A: >> year mon day obs >> 2010 03 12 12 >> 2010 03 18 22 >> 2010 04 12 62 >> 2010 07 24 29 >> >> Dataset B: >> year mon day obs >> 2010 03 12 15 >> 2010 04 12 57 >> 2010 07 24 32 >> 2010 08 23 15 >> >> >> As you see,dataset A and B have several observation data but their obs data >> is not same everyday. >> Now I want to compare the data from two dataset in the same time. >> How could I write the R script? >> >> errdata<-subset(A,A$V11==Bdata$V11 & A$V12==B$V12) >> >> this command seems failed.How could I? >> >> -- >> >> [[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. >> >> -- TANG Jie Email: totang...@gmail.com [[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.