[R] tree and rpart (=> prune.rpart)

White.Denis@epamail.epa.gov White.Denis at epamail.epa.gov
Thu Jul 26 17:22:29 CEST 2001

> rpart
> =====
> Since rpart 2.x, rpart could do all that tree could do, faster.  We
> are now on rpart 3.x, which added user-specified splits and
> NA-handling.  At some point fairly soon rpart is expected to ship as
> part of S-PLUS and the interface will be frozen, but that means that
> Terry Therneau has made lots of undocumented changes that some of you
> have been finding.

In case prune.rpart did not get modified to add the "best=" parameter for
pruning to a fixed size, there is a prune.Rpart in contributed package
maptree with that feature.

Denis White
   US EPA, 200 SW 35th St, Corvallis, Oregon, 97333 USA
   voice: 541.754.4476, email: white.denis at epa.gov
   web: www.epa.gov/wed/pages/staff/white/

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