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.
|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.