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Selection of variables in Discrete Discriminant Analysis

Anabela MarquesAna Sousa FerreiraMargarida G.M.S. Cardoso — 2013

Biometrical Letters

In Discrete Discriminant Analysis one often has to deal with dimensionality problems. In fact, even a moderate number of explanatory variables leads to an enormous number of possible states (outcomes) when compared to the number of objects under study, as occurs particularly in the social sciences, humanities and health-related elds. As a consequence, classi cation or discriminant models may exhibit poor performance due to the large number of parameters to be estimated. In the present paper, we...

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