Regression Analysis, R Squared, Pseudo R Squared, Adjusted R Squared, Deviance.
(Image by Author) And, Deviance of the null model (Image by Author) Therefore: Pseu-R² for nonlinear models for discrete data (Image by Author) Sometimes, the following simpler version of Pseudo- R² proposed by McFadden is used (see paper link below for details): McFadden’s Pseudo R² (Image by