Dimensionality reduction is a commonly used step in machine learning, especially when dealing with a high dimensional space of features. The original feature space is mapped onto a new, reduced dimensionally space. The dimensionality reduction is usually performed either by selecting a subset of the original dimensions or/and by constructing new dimensions. This paper deals with feature subset selection for dimensionality reduction in machine learning. We provide a brief overview of the feature subset selection techniques that are commonly used in machine learning. Detailed description is provided for feature sub-set selection as commonly used on text data. For illustration, we show performance of several methods on document categorization of real-world data. © Springer-Verlag Berlin Heidelberg 2006.
CITATION STYLE
Mladenić, D. (2006). Feature selection for dimensionality reduction. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 3940 LNCS, pp. 84–102). Springer Verlag. https://doi.org/10.1007/11752790_5
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