Try preusing an Intro to R for such elementary questions, please. Also the R Help facility.
But... ?identical ##(oddly enough...) ?"==" But beware numerical issues -- see R FAQ 7.31. -- Bert On Tue, Oct 12, 2010 at 10:35 AM, ANJAN PURKAYASTHA <[email protected]> wrote: > Hi, > I have two vectors, each of length 45000. > How do I compare the vectors to ascertain if they are identical. Secondly if > they are NOT identical, how do I determine the indices of positions at which > the vectors differ? > Thanks, > Anjan > > > -- > =================================== > anjan purkayastha, phd. > research associate > fas center for systems biology, > harvard university > 52 oxford street > cambridge ma 02138 > phone-703.740.6939 > =================================== > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] 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. > -- Bert Gunter Genentech Nonclinical Biostatistics ______________________________________________ [email protected] 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.
