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odb
2002 Jun 06
1
generating overdispersed poisson & negative binomial data
...poisson or negative
binomial data with a given mean, scale (& shape parameter).
The loose definition I'm using is overdispersed poisson produces integer
values with variance=const*mean & "looks like" a poisson, & simly for
overdispersed negative binomial - I am aware that odnb is a strange thing to
desire.
Maybe the "integer-valued" bit of my definition is unnecessary, which would
mean a simple scaling would suffice, but I don't know enough to decide on
this without testing.
Thanks,
Mike.
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