Feature selection method, device and equipment
A feature selection method and decision tree technology, applied in the field of big data, can solve the problem of low accuracy of feature selection
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[0052] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0053] Feature selection refers to selecting some representative features from multiple features to reduce the dimensionality of features. In the prior art, a decision tree is usually used for feature selection. A decision tree is a supervised learning algorithm that can be used for classification and regression, and can also be used for screening features to be se...
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