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- W2791745191 abstract "In the process of dealing with the classification of text, because the text after the Chinese word segmentation, an article will have a large number of feature words, for this feature, the document vector dimension will reach tens of thousands or even hundreds of thousands of dimensions, although theoretically Speaking, a large number of feature words can better characterize a document, but a document contains a large number of features for the classification of the feature word, its value is quite low. So the need to screen out those who have the classification of the word, to reduce the operational dimension of the purpose. This paper studies the traditional feature selection algorithm, and according to the shortcomings of the chi-square test method, Based on the shortcomings of traditional chi-square test, this paper presents an improved method of chi-square test combined with frequency and interclass concentration. Experiments show that the method has a good effect on the traditional chi-square test method." @default.
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- W2791745191 date "2017-08-01" @default.
- W2791745191 modified "2023-09-24" @default.
- W2791745191 title "Efficient method for feature selection in text classification" @default.
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- W2791745191 doi "https://doi.org/10.1109/icengtechnol.2017.8308201" @default.
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