Definition: In computer science, "pre-exaction" refers to a preprocessing step that is performed before data is processed in an analysis or machine learning model. This can be done for various reasons such as ensuring that the input data meets certain requirements or constraints, removing noise and irrelevant information from the data, or preparing the data for further processing or analysis. For example, if you're performing a pre-processing step on your dataset to ensure that it's in a format that is suitable for machine learning models, then
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