On Thu, 7 Nov 2013, sv.j...@yahoo.ca wrote:
Hello,
I have count data for 4 groups, 2 of which have a large number of zeroes
and are overdispersed, and the other 2 underdispersed with no zeroes.
Are you sure that it's really underdispersion in addition to the lack of
zeros? It could also be
Hello,
I have count data for 4 groups, 2 of which have a
large number of zeroes and are overdispersed, and the other 2
underdispersed with no zeroes. I have two questions about model fitting,
which I am quite new to, and have been using mostly the pscl package.
1 - How do I deal with underdisp
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