[R] trimmed correlations
Prof Brian D Ripley
ripley at stats.ox.ac.uk
Tue Feb 27 08:20:27 CET 2001
On Mon, 26 Feb 2001, Amy C. Peng wrote:
> Dear R users:
> Does anyone know if there are any R library functions for computing trimmed
> correlations, similar to the trim option in Splus's cor function?
I don't, but then I think that the robust covariance computations of
cov.rob (in package lqs) are much to be preferred.
> Also, does anyone know if there are any R library functions for computing a
> Euclidean distance matrix which can handle missing values, similar to
> Splus's dist function?
It looks to me as if the internal code can do this, and all that is needed
is to add NAOK=TRUE to the .C call in dist().
> Please reply directly to me, as I am not currently a list recipient.
> Thanks very much for your advice.
> Amy Peng
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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)
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