Tag: data science

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Calculating Pearson Correlation Coefficient in Python with Numpy

Introduction

This article is an introduction to the Pearson Correlation Coefficient, its manual calculation and its computation via Python's numpy module.

The Pearson correlation coefficient measures the linear association between variables. Its value can be interpreted like so:

  • +1 - Complete positive correlation
  • +0.8 - Strong positive correlation
  • +0.
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