Cheng, C.-L.; Shalabh; Garg, G. - In: Journal of Multivariate Analysis 126 (2014) C, pp. 137-152
The coefficient of determination (R2) is used for judging the goodness of fit in a linear regression model. It is the square of the multiple correlation coefficient between the study and explanatory variables based on the sample values. It gives valid results only when the observations are...