MASS (version 7.3-58.2)

Insurance: Numbers of Car Insurance claims

Description

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.

Usage

Insurance

Arguments

Format

This data frame contains the following columns:

District

factor: district of residence of policyholder (1 to 4): 4 is major cities.

Group

an ordered factor: group of car with levels <1 litre, 1--1.5 litre, 1.5--2 litre, >2 litre.

Age

an ordered factor: the age of the insured in 4 groups labelled <25, 25--29, 30--35, >35.

Holders

numbers of policyholders.

Claims

numbers of claims

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S-PLUS. Fourth Edition. Springer.

Examples

Run this code
## 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)

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