Thank you so much for the clarification Terry.
On Thu, Oct 8, 2015 at 6:03 PM, Therneau, Terry M., Ph.D. <thern...@mayo.edu
> wrote:
> The cutpoint is on the predictor, so the interpretation is the same as it
> is for any other rpart model. The subjects with predictor < cutpoint form
> one group and those > cutpoint the other. The cutpoint is chosen to give
> the greatest difference in "average y" between the groups. For poisson
> "averge y" is an event rate.
>
>
> On 10/08/2015 05:00 AM, r-help-requ...@r-project.org wrote:
>
>> I am trying to derive cutpoint/threshold with a poisson distributed
>> dependent variable. I know how to interpret cutpoint with binary dependent
>> variable based on direction. Can some on help me to intrepret cutpoint for
>> poisson case with one independent variable with the derived threshold.
>>
>
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