02.course-mutual-information【互信息】
Introduction 介绍 First encountering a new dataset can sometimes feel overwhelming. You might be presented with hundreds or thousands of features without even a description to go by. Where do you even begin? 第一次遇到新的数据集有时会让人感到不知所措。 您可能会看到成百上千个特征，甚至没有任何说明。 你从哪里开始呢？ A great first step is to construct a ranking with a feature utility metric, a function measuring associations between […]