March 2019
Intermediate to advanced
642 pages
22h 54m
English
Content preview from Python Machine Learning Cookbook - Second Edition
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Computing the Pearson correlation score
The Euclidean distance score is a good metric, but it has some shortcomings. Hence, the Pearson correlation score is frequently used in recommendation engines. The Pearson correlation score between two statistical variables is an index that expresses a possible linear relation between them. It measures the tendency of two numerical variables to vary simultaneously.
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