A Comparative Study on Feature Selection in Text Categorization

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Summary

DF thresholding, the simplest method with the lowest cost in computation, can be reliably used instead of IG or CHI when the computation of these measures are too expensive, and strong correlations between the DF, IG and CHI values of a term are found.

Type
article
Published
1997-07-08
Cited by
5,820
References
28

Keywords

Feature selection, Categorization, Text categorization, Computer science, Artificial intelligence

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