Selection of variables for cluster analysis and classification rules
Ricardo Fraiman, Ana Justel, Marcela Svarc
Abstract
In this paper we introduce two procedures for variable selection in cluster analysis and classification rules. One is mainly oriented to detect the noisy non-informative variables, while the other deals also with multicolinearity. A forward-backward algorithm is also proposed to make feasible these procedures in large data sets. A small simulation is performed and some real data examples are analyzed.
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