Coefficient of determination

Coefficient of determination, sometimes referred to as R2 or the correlation coefficient, measures the proportion of the variation in a dependent variable that is explained by an independent variable. It is often used to measure the strength of a linear relationship between two variables. The coefficient of determination ranges from 0 to 1, where 0 indicates that the independent variable has no effect on the dependent variable and 1 indicates a perfect linear relationship. A higher coefficient of determination indicates a stronger relationship between the two variables.