Feature selection is the process of selecting a subset of features or attributes from a larger set of features, for use in a machine learning model. This is an important step in the machine learning process, as the quality and relevance of the features that are included in the model can greatly affect its performance. Feature selection involves choosing the most relevant and useful features for the model, and can be done using a variety of techniques, such as statistical analysis, correlation analysis, or feature importance scores. The goal of feature selection is to identify the features that are most predictive of the target variable, and to remove any irrelevant or redundant features that may negatively impact the model’s performance.
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