[R] classification with quantitative variables

Martin Maechler maechler at stat.math.ethz.ch
Tue Aug 12 15:39:41 CEST 2003

>>>>> "OlivierM" == Martin Olivier <martinol at ensam.inra.fr>
>>>>>     on Tue, 12 Aug 2003 14:45:58 +0000 writes:

    OlivierM> I want to conduct a cluster analysis with
    OlivierM> quantitative variables.  More precisely, it
    OlivierM> concerns binary and non-ordered categorical
    OlivierM> variables. For such data, various similarity
    OlivierM> measures have been proposed, such as the Jaccard
    OlivierM> index or the simple matching index.

    OlivierM> So, is there a package such as mva or multiv in
    OlivierM> the case of quantitative variables?  Could you
    OlivierM> indicate me reviews, papers or technical reports
    OlivierM> dealing with this problem?

The package 'cluster' has a function daisy() that allows to work
with combinations of "all" kinds of variables.

Note that I think you mistyped 
"quantitative" where you meant

Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><

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