That was great :) REgards
--- On Wed, 4/27/11, Petr PIKAL <petr.pi...@precheza.cz> wrote: > From: Petr PIKAL <petr.pi...@precheza.cz> > Subject: Odp: [R] fast way to compare two matrices > To: "Alaios" <ala...@yahoo.com> > Cc: R-help@r-project.org, r-help-boun...@r-project.org > Date: Wednesday, April 27, 2011, 12:18 PM > Hi > > x <- matrix(rnorm(1e6), 1000,1000) > y <- matrix(rnorm(1e6), 1000,1000) > > identical(x,y) > [1] FALSE > > The response is almost instant. > > In case you are not satisfied with the unspecific answer be > more specific > with your question. > > Regards > Petr > > r-help-boun...@r-project.org > napsal dne 27.04.2011 13:04:37: > > > Dear all, > > I am trying to speed up some code and I would like to > check fast that it > works > > by comparing two different matrices. > > > > What is the fastest way to do that in R? > > > > Best Regards > > Alex > > > > ______________________________________________ > > 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. > > ______________________________________________ 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.