[R] biplot.princomp - changing score labels

stephen sefick ssefick at gmail.com
Wed Feb 25 20:02:27 CET 2009

have you thought about extracting the data and using this in ggplot?

On Wed, Feb 25, 2009 at 3:52 AM, Axel Strauß <a.strauss at tu-bs.de> wrote:
> Prof Brian Ripley schrieb:
>> On Tue, 24 Feb 2009, Axel Strauß wrote:
>>> OK, the one thing I figured out:
>>> Is should be like:
>>> biplot(test.pca, cex=c(2,1), col=c("red","green")...
>>> to change size, colours etc separately. But I still don't know how change
>>> lables of observations to symbols properly.
>> That's not part of the design of the function, so just make a copy and
>> edit to meet your fancies.
>> The designer of biplot.princomp.
> The idea behind my question was actually not a "styling one" but to provide
> additional information in the graph. My observations have different species
> richness and I wanted to adopt symbol size to the number of species to show
> the change of species richness along the PCs. Anyway, thanks for the comment
> - and for designing biplot.princomp.
> Axel
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Stephen Sefick

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