Re: [R] using rbind() on multiple objects at once

From: Andrew Yee <yee_at_post.harvard.edu>
Date: Fri, 18 Apr 2008 18:29:13 -0400

Thanks!

On 4/18/08, Katharine Mullen <kate_at_few.vu.nl> wrote:
> do.call(rbind, list.foo)
>
> On Fri, 18 Apr 2008, Andrew Yee wrote:
>
> > Is there an efficient way to use rbind() with the five dataframes
> described
> > in the following example:
> >
> > a <- c(1:5)
> > list.foo <- lapply(a, function(x) data.frame(beta=a*rnorm(10),
> > deta=a*rnorm(10)))
> > big.data.frame <- rbind(list.foo[[1]], list.foo[[2]], list.foo[[3]],
> > list.foo[[4]], list.foo[[5]]) #is there an easier method?
> >
> > For example, I naively thought you could do something like
> >
> > rbind(list.foo[[1:5]]) #gives an error message
> >
> > but that results in an error message.
> >
> > Thanks,
> > Andrew
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > 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.
> >
>

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Received on Fri 18 Apr 2008 - 22:37:10 GMT

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