Re: [R] Odp: fast way to compare two matrices

From: Alaios <alaios_at_yahoo.com>
Date: Wed, 27 Apr 2011 04:29:49 -0700 (PDT)


That was great :)
REgards

> From: Petr PIKAL <petr.pikal@precheza.cz>
> Subject: Odp: [R] fast way to compare two matrices
> To: "Alaios" <alaios_at_yahoo.com>
> Cc: R-help_at_r-project.org, r-help-bounces_at_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-bounces_at_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_at_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_at_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. Received on Wed 27 Apr 2011 - 11:38:12 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Wed 27 Apr 2011 - 15:00:33 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive