[Rd] Typo in the documentation of prcomp. (PR#569)

[Prof Brian Ripley]

> From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk>
> Date: 14 Jun 2000 14:36:13 +0200
> 
> bhm@math.uio.no writes:
> 
> > The help for prcomp on R 1.0.0 states that the component sdev of the
> > return value is the eigenvalues of the cov matrix.  Am I completely
> > mistaken, or should this be the _square root_ of the eigenvalues?
> 
> Yup. Will fix for 1.1.0

I've just fixed rather a lot of typos ....

> > Also, the documentation is not very clear about how tol is used to omit
> > components.  (The _code_ is clear, though. :-)
> 
> Hmm. Can't think of a concise way of saying this. Hardly something
> that needs fixing here and now.

I think I have found a way ....

-- 
Brian D. Ripley,                  ripley@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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