The percentage of variation explained $R ^ { 2 }$
is the square of the correlation between the observed Y values and the fitted Y values.

Question

The percentage of variation explained $R ^ { 2 }$ 
is the square of the correlation between the observed Y values and the fitted Y values.

Quizplus · Accepted Answer

The $R^2$ value, also known as the coefficient of determination, is calculated as the square of the correlation coefficient between the observed and predicted values, indicating the proportion of variance explained by the model.

The Percentage of Variation Explained R2R ^ { 2 }R2 Is the Square of the Correlation Between the Observed Y

The Percentage of Variation Explained $R ^ { 2 }$ Is the Square of the Correlation Between the Observed Y