Re: [R] biplots for PCA

From: Kevin Wright <kw.stat_at_gmail.com>
Date: Fri, 13 May 2011 10:34:49 -0500

Did you try tweaking the value of the "expand" parameter?

See the help page of biplot for more info.

Kevin

On Fri, May 13, 2011 at 4:38 AM, Anna Renwick <anna.renwick_at_bto.org> wrote:

> Hi all
>
> I have produced a biplot for a PCA (see attached pdf) that I ran however
> the
> names of the variables which are placed at the end of the arrows overlap
> and
> are thus unreadable. Similarly some of the numbered points overlap. I was
> wondering if there was a way to edit the biplot to move the label names and
> if not what the best alternative is.
>
> Thanks
> Anna
>
> pca<-biodata[,3:10]
> model<-prcomp(pca,scale=TRUE)
> summary(model)
> biplot(model)
>
>
> --
> Dr Anna R. Renwick
> Research Ecologist
> British Trust for Ornithology,
> The Nunnery,
> Thetford,
> Norfolk,
> IP24 2PU,
> UK
> Tel: +44 (0)1842 750050; Fax: +44 (0)1842 750030
>
> ______________________________________________
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> 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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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 Fri 13 May 2011 - 15:37:17 GMT

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