[R] canonical correspondence analysis

Prof Brian D Ripley ripley at stats.ox.ac.uk
Sat Feb 17 08:37:43 CET 2001

On Fri, 16 Feb 2001, Patrick Foley wrote:

> Is there an R function that does canonical correspondence analysis. Can
> it be done using the VR function corresp()?

What is `canonical correspondence analysis'?  Correspondence analysis is
a variation on canonical correlation analysis.   None of my sources have
`canonical correspondence analysis', but my guess is that it is a
re-naming of something else.

> If not, how hard it be to write R code to do it? I am a population
> biologist with long but patchy programming experience in C, Smalltalk,
> Java and other languages.

Everything I have met so far in correspondence analysis is two or three
lines of R.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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