Description Usage Arguments Value Author(s) References See Also Examples

Extract the values of the hat matrix from models of class "CountsEPMM".

1 2 |

`model` |
fitted model object of class "CountsEPPM". |

`...` |
some methods for this generic function require additional arguments. |

The calculated hat values for the fitted model. These are used to calculate Cook's distances.

David M. Smith <smithdm1@us.ibm.com>

Cribari-Neto F, Zeileis A. (2010). Beta Regression in R.
*Journal of Statistical Software*, **34**(2), 1-24. doi: 10.18637/jss.v034.i02.

1 2 3 4 5 | ```
data("herons.group")
output.fn <- CountsEPPM(number.attempts ~ 0 + group,
herons.group, model.type = 'mean only', model.name = 'Poisson')
cooks.distance(output.fn)
hatvalues(output.fn)
``` |

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