As of Version 7.0, has become a property of LinearModelFit.
- To use , you first need to load the Regression Common Functions Package. You can do this by using , which will automatically load the Regression Common Functions Package, or you can load the package directly by using .
- is the ratio of the model sum of squares to the total sum of squares.
- gives the fraction of the variation of the response that is predicted by the model.