Abstract:
:We use a mixed Poisson regression model with extra variation to analyse mortality data cross-classified by age and geographic region. We use estimates of dispersion parameter and fixed effects parameters, obtained by maximizing a marginal quasi-likelihood function, to estimate mortality rates in an empirical Bayes manner. This is a modification of an earlier method by Tsutakawa that used the likelihood function and is computationally impractical for routine use. In order to apply the extended quasi-likelihood function, a linear variance function (of the mean) is used in place of a quadratic one used previously. We illustrate the method with male lung cancer deaths in the state of Missouri.
journal_name
Stat Medjournal_title
Statistics in medicineauthors
Lu WS,Tsutakawa RKdoi
10.1002/(SICI)1097-0258(19960715)15:13<1397::AID-Ssubject
Has Abstractpub_date
1996-07-15 00:00:00pages
1397-407issue
13eissn
0277-6715issn
1097-0258pii
10.1002/(SICI)1097-0258(19960715)15:13<1397::AID-Sjournal_volume
15pub_type
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