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A note on a general definition of the coefficient of determination

A generalization of the coefficient of determination R2 to general regression models is discussed. A modification of an earlier definition to allow for discrete models is proposed.

N. J. D. Nagelkerke
https://resea.org/10.1093/biomet/78.3.691
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Abstract

A generalization of the coefficient of determination R2 to general regression models is discussed. A modification of an earlier definition to allow for discrete models is proposed.