The formula for Pearson’s correlation coefficient, r, relates to how closely a line of best fit, or how well a linear regression, predicts the relationship between the two variables. It is presented ...

The Pearson coefficient is a mathematical correlation coefficient representing the relationship between two variables, denoted as X and Y. Pearson coefficients range from +1 to -1, with +1 ...

In this article, we will explore the theory, assumptions and interpretation of Pearson’s correlation, including a worked example of how to calculate Pearson’s correlation coefficient, often referred ...