ripley at stats.ox.ac.uk
Wed May 22 11:20:11 CEST 2002
On Wed, 22 May 2002 morganho at mail.telepac.pt wrote:
> I'm trying to get a tree, that fits all the lines of the training set ( a tree with no error in classification)
That gives me a syntax error, but I suspect the `3D' should be omitted.
> ir.tr <- tree(Species ~., iris)
> I'm trying to use this as a test, but it still have some examples that are classified wrongly...
> Anyone could tell me what's the problem?
You are not using tree.control correctly! See ?tree. Perhaps
ir.tr <- tree(Species ~., iris, minsize=0)
was what you meant.
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 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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