What is Feature Selection and it’s techniques

Suppose there is a real life problem as to put a nail on a wall , so what are the steps to complete the process of putting that nail , we need a nail and a hammer so this selection of attribute according to the problem is the same thing in the Feature selection in machine learning . The reduction of problem depends on the selection of the variables included in the process, and thus the feature selection plays an important role in the creation of a model of a problem. This article covers some of the following topics: Introduction Techniques of Features Selection Advantage and use of feature selection Introduction of Feature selection In machine learning Feature selection is a process of selecting the essential and useful variables for the particular problem model and feature selection is the process where the complexity and the performance of the model will be decided , as if the features or not selected properly , then model will be complex , slower and bulky and thus performance will be decreased. The feature selection compares and selects the best features that are relevant to the associated problem and removes the unwanted features according to…

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