[R] Minimum Volume Ellipsoid Estimator ("cov.mve"??)

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Apr 26 12:00:21 CEST 2006

On Wed, 26 Apr 2006, Öhagen Patrik wrote:

> Dear All,
> The Minimum Volume Ellipsoid estimator ("cov.mve") was part of S+ but I 
> cannot find it in R. Where can I find it?

help.search("cov.mve")  gives

cov.rob(MASS)           Resistant Estimation of Multivariate Location
                         and Scatter

so you see not to know how to search.

> Why was it excluded?

R is not a clone of S-PLUS (sic), but a different system based on the S 
language.  Often there is better functionality in R (and indeed in this 
case there is later enhanced functionality in S-PLUS too).

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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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