Title of article :
A note on Deanʹs overdispersion test
Author/Authors :
Yang، نويسنده , , Zhao and Hardin، نويسنده , , James W. and Addy، نويسنده , , Cheryl L.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Abstract :
This note discusses an extension to the score test statistics for overdispersion in Poisson and binomial regression models [Dean, C.B., 1992. Testing for overdispersion in Poisson and binomial regression models. J. Amer. Statist. Assoc. 87, 451–457]. Examples illustrate the application of the extended results.
Keywords :
Exponential family , Count data , Score test , Overdispersion , Poisson model
Journal title :
Journal of Statistical Planning and Inference
Journal title :
Journal of Statistical Planning and Inference
