DEA based dimensionality reduction for classification problems satisfying strict non‐satiety assumption

DEA based dimensionality reduction for classification problems satisfying strict non‐satiety assumption

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Article ID: iaor20113924
Volume: 212
Issue: 1
Start Page Number: 155
End Page Number: 163
Publication Date: Jul 2011
Journal: European Journal of Operational Research
Authors: ,
Keywords: programming: goal, heuristics, programming: integer
Abstract:

This study shows how data envelopment analysis (DEA) can be used to reduce vertical dimensionality of certain data mining databases. The study illustrates basic concepts using a real‐world graduate admissions decision task. It is well known that cost sensitive mixed integer programming (MIP) problems are NP‐complete. This study shows that heuristic solutions for cost sensitive classification problems can be obtained by solving a simple goal programming problem by that reduces the vertical dimension of the original learning dataset. Using simulated datasets and a misclassification cost performance metric, the performance of proposed goal programming heuristic is compared with the extended DEA‐discriminant analysis MIP approach. The holdout sample results of our experiments shows that the proposed heuristic approach outperforms the extended DEA‐discriminant analysis MIP approach.

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