The data given in data frame
Insurance
consist of the numbers of policyholders of an insurance company who
were exposed to risk, and the numbers of car insurance claims made by
those policyholders in the third quarter of 1973.
This data frame contains the following columns:
L. A. Baxter, S. M. Coutts and G. A. F. Ross (1980) Applications of
linear models in motor insurance.
Proceedings of the 21st International Congress of Actuaries, Zurich
pp. 11-29
M. Aitkin, D. Anderson, B. Francis and J. Hinde (1989)
Statistical Modelling in GLIM.
Oxford University Press
## main-effects fit as Poisson GLM with offset glm(Claims ~ District + Group + Age + offset(log(Holders)), data = Insurance, family = poisson) # same via loglm loglm(Claims ~ District + Group + Age + offset(log(Holders)), data = Insurance)