R: Lung cancer incidence in four Danish cities 1968-1971

eba1977 {ISwR} | R Documentation

## Lung cancer incidence in four Danish cities 1968–1971

### Description

This data set contains counts of incident lung cancer cases and population size in four neighbouring Danish cities by age group.

### Usage

    eba1977

### Format

A data frame with 24 observations on the following 4 variables:

`city`

  a factor with levels `Fredericia`, `Horsens`, `Kolding`, and `Vejle`.

`age`

  a factor with levels `40-54`, `55-59`, `60-64`, `65-69`, `70-74`, and `75+`.

`pop`

  a numeric vector, number of inhabitants.

`cases`

  a numeric vector, number of lung cancer cases.

### Details

These data were “at the center of public interest in Denmark in 1974”, according to Erling Andersen's paper. The city of Fredericia has a substantial petrochemical industry in the harbour area.

### Source

E.B. Andersen (1977), Multiplicative Poisson models with unequal cell rates, Scandinavian Journal of Statistics, 4:153–158.

### References

J. Clemmensen et al. (1974), Ugeskrift for Læger, pp. 2260–2268.

[Package ISwR version 2.0-7 Index]