For objects of class
polr, it calculates a number of fit statistics and specification tests.
A model object of class
An object of class
ordfit which is a matrix containing statistics and specification tests.
Dave Armstrong (UW-Milwaukee, Department of Political Science)
Lipsitz, S. R., Fitzmaurice, G. M. and Mohlenberghs, G. 1996. Goodness-of-fit Tests for Ordinal Response Regression Models. Applied Statistics, 45: 175-190.
Pulkstenis, E. and Robinson, T. J. 2004. Goodness-of-fit Test for Ordinal Response Regression Models. Statistics in Medicine, 23: 999-1014.
Fagerland, M. W. and Hosmer, D. W. 2013. A Goodness-of-fit Test for the Proportional Odds Regression Model. Statistics in Medicine 32(13): 2235-2249.
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Loading required package: car Loading required package: effects Loading required package: carData Attaching package: 'carData' The following objects are masked from 'package:car': Guyer, UN, Vocab lattice theme set by effectsTheme() See ?effectsTheme for details. Estimate Count R2 0.518 Count R2 (Adj) 0.197 ML R2 0.456 McFadden R2 0.206 McFadden R2 (Adj) 0.195 McKelvey & Zavoina R2 0.475
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