[R] model non-integer count outcomes

Don McKenzie dmck at u.washington.edu
Wed Jul 22 05:41:47 CEST 2015


Or if there are enough averages of enough counts, the CLT provides another option.

> On Jul 21, 2015, at 8:38 PM, David Winsemius <dwinsemius at comcast.net> wrote:
> 
> 
> On Jul 21, 2015, at 8:21 PM, Wensui Liu wrote:
> 
>> Dear Lister
>> When the count outcomes are integers, we could use either Poisson or
>> NB regression to model them. However, there are cases that the count
>> outcomes are non-integers, e.g. average counts.
>> I am wondering if it still makes sense to use Poisson or NB regression
>> to model these non-integer outcomes.
> 
> There is a quasi-binomial error model that accepts non-integer outcomes.
> 
> -- 
> 
> David Winsemius
> Alameda, CA, USA
> 
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