The Pearson coefficient uses a mathematical statistics formula to measure how ... also known as “R-squared,” which is simply the correlation coefficient squared. The correlation coefficient ...

The coefficient of determination is the square of the correlation coefficient, also known as "r" in statistics. The value "r" can result in a negative number, but r 2 can't result in a negative ...

The closeness with which the points lie along this line is measured by Pearson’s correlation coefficient, also often denoted ... In this section we will calculate Pearson’s r using the formula by hand ...

This month we begin a series of columns about relationships between variables (or features of a system), beginning with how pairwise dependencies can be characterized using correlation.