Evaluating feature selection methods for learning in data mining applications

Evaluating feature selection methods for learning in data mining applications

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Article ID: iaor20052253
Country: Netherlands
Volume: 156
Issue: 2
Start Page Number: 483
End Page Number: 494
Publication Date: Jul 2004
Journal: European Journal of Operational Research
Authors:
Keywords: datamining
Abstract:

Recent advances in computing technology in terms of speed, cost, as well as access to tremendous amounts of computing power and the ability to process huge amounts of data in reasonable time has spurred increased interest in data mining applications to extract useful knowledge from data. Machine learning has been one of the methods used in most of these data mining applications. It is widely acknowledged that about 80% of the resources in a majority of data mining applications are spent on cleaning and preprocessing the data. However, there have been relatively few studies on preprocessing data used as input in these data mining systems. In this study, we evaluate several inter-class as well as probabilistic distance-based feature selection methods as to their effectiveness in preprocessing input data for inducing decision trees. We use real-world data to evaluate these feature selection methods. Results from this study show that inter-class distance measures result in better performance compared to probabilistic measures, in general.

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