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Feature selection is the process of reducing the dimensionality of the feature space to increase performance...

Feature selection is the process of reducing the dimensionality of the feature space to increase performance and decrease running time (since there are fewer features). Outline a feature selection method for the unigram words feature representation using word relations Please explain the methods, not just theory. This question is from the book:Text Data Management and Analysis: A Practical Introduction to Information Retrieval and Text Mining

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Feature selection is the process of reducing the dimensionality of the feature space to increase performance...
Feature selection is the process of reducing the dimensionality of the feature space to increase performance and decrease running time (since there are fewer features). Outline a feature selection method for the unigram words feature representation using word relations. - reference book : ext Data Management and Analysis: A Practical Introduction to Information Retrieval and Text Mining / please provide details and context
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