Provides fit indices for ordinal regression models, based on the Nagelkerke (1991) method.
da.clm.fit(original.model, newdata = NULL, ...)A function described by using-fit-indices description for interface.
You could retrieve r2.n index, corresponding to Nagelkerke method.
Original fitted model
Data used in update statement
ignored
Nagelkerke, N. J. D. (1991). A Note on a General Definition of the Coefficient of Determination. Biometrika, 78(3), 691-692. doi:10.1093/biomet/78.3.691
Other fit indices:
da.betareg.fit(),
da.dynlm.fit(),
da.glm.fit(),
da.lm.fit(),
da.lmWithCov.fit(),
da.lmerMod.fit(),
da.mlmWithCov.fit()