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2006 Aug 10
0
Negatie Binomial Regression: "Warning while fitting theta: alternation limit reached"
I am fitting a negative binomial regression model to some count data. I chose the negative binomial b/c the variance is greater than the mean. Anyways, when I fit the model I get the following warning: "Warning while fitting theta: alternation limit reached" The estimate that I end up with is very large (1070)...