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

[Peter Dalgaard BSA]

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

> 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.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
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