/ Home


British Car Insurance Claims for 1975

Keywords: gamma regression, reciprocal link


The data give the average claims for damage to the owner's car for privately owned and comprehensively insured vehicles in Britain in 1975. Averages are given in pounds sterling adjusted for inflation.

Variable Description

OwnerAge Policy-holder's age in years, categorized into 8 levels
Model Type of car, in 4 groups
CarAge Vehicle age in years, categorized into 4 levels
NClaims Number of claims
AveCost Average cost of each claim in pounds


Data File (tab-delimited text)


Baxter, L. A., Coutts, S. M., and Ross, G. A. F. (1980). Applications of linear models in motor insurance. In Proceedings of the 21st International Congress of Actuaries, Zurich, Society of Actuaries, pages 11-29.
McCullagh, P., and Nelder, J. A. (1989). Generalized linear models. Chapman and Hall, London.


McCullagh and Nelder (1989, Example 8.4.1) apply gamma regression to this data.



Home - About Us - Contact Us
Copyright © Gordon Smyth