Summary of Fit
The Summary of Fit table contains summary statistics
for the fit of the model including values for Deviance
and Pearson's Chi-Squared statistics.
These values contrast the fit of your model
to that of a saturated model that allows a
different fit for each observation.
If the data are sparse in the sense that most
observations have a different set of explanatory
variables, as in this set of data, then the
quality of these measures is likely to be poor.
Inferences drawn from these measures should be
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