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Regression Common Package Symbol

RSquared

RSquared
is a possible value for the RegressionReport option for Regress and DesignedRegress which represents the coefficient of determination R².

To use RSquared, you first need to load the Regression Common Functions Package. You can do this by using Needs["LinearRegression`"], which will automatically load the Regression Common Functions Package, or you can load the package directly by using Needs["RegressionCommon`"].

RSquared gives the fraction of the variation of the response that is predicted by the model.

Needs["LinearRegression`"]

Sample data:

RSquared for a linear regression: