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An Introduction to Variable and Feature Selection

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Journal of Machine Learning Research 3 (2003) 1157-1182Submitted 11/02; Published 3/03An Introduction to Variable and Feature SelectionIsabelle Creston RoadBerkeley, CA 94708-1501, USAAndr e Inference for Machine Learning and Perception DepartmentMax Planck Institute for Biological CyberneticsSpemannstrasse 3872076 T ubingen, GermanyEditor:Leslie Pack KaelblingAbstractVariable and Feature Selection have become the focus of muchresearch in areas of application forwhich datasets with tens or hundreds of thousands of variables are available. These areas includetext processing of internet documents, gene expression array analysis, and combinatorial objective of Variable Selection is three-fold: improving the prediction performance of the pre-dictors, providing faster and more cost-effective predictors, and providing a better understanding ofthe underlying process that generated the data

text processing of internet documents, gene expression array analysis, and combinatorial chemistry. The objective of variable selection is three-fold: improving the prediction performance of the pre-dictors, providing faster and more cost-effective predictors, and providing a better understanding of the underlying process that generated the data.

  Introduction, Selection, Variable, Variable selection, Combinatorial

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