District
| district of policyholder (1 to 4): 4 is major cities. |
Group
| group of car (1 to 4), <1 litre, 1-1.5 litre, 1.5-2 litre, >2 litre. |
Age
| of driver in 4 ordered groups, <25, 25-29, 30-35, >35. |
Holders
| numbers of policyholders |
Claims
| numbers of claims |
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.M. Aitkin, D. Anderson, B. Francis and J. Hinde (1989) Statistical Modelling in GLIM. Oxford University Press