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On the Efficiency of Score Tests for Homogeneity in Two-Component Parametric Models for Discrete Data

✍ Scribed by David Todem; Wei-Wen Hsu; KyungMann Kim

Book ID
114762195
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
563 KB
Volume
68
Category
Article
ISSN
0006-341X

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The efficient score test for overdispersion in the Poisson regression model is derived explicitly, and it is shown that by virtue of a particular matrix identity, the test has a surprisingly simple form provided the Poisson regression contains an intercept. It is also pointed out that the test is in