[R] Discretization of numeric attributes

[ripley@stats.ox.ac.uk]

On Tue, 7 May 2002, Hans W. Borchers wrote:

> Dear R-helpers:
>
> I am interested in discretization methods for numerical attributes, as they
> are reported in the 'machine learning' community. For example, the work of
> Fayyad & Irani (IJCAI-93), Kononenko, entropy-based approaches, MDL
> principle, the C4.5 approach, etc. I am especially interested in those
> methods that take a factor as goal target into account for discretizing
> continuous-valued attributes.
>
> Is there an implementation of any one of those methods available in the
> many libraries available for R ?

rpart and tree, for example.

-- 
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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