Description Usage Arguments Value Author(s) References Examples

For objects of class `polr`

, it calculates a number of fit statistics and specification tests.

1 | ```
ordfit(obj)
``` |

`obj` |
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.

1 2 3 4 |

```
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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