pneumo {faraway}R Documentation

Pneumonoconiosis in coal miners

Description

The data for this example contains the number of coal miners classified by radiological examination into one of three categories of pneumonoultramicroscopicosilicovolcanoconiosis (known as pneumonoconiosis for short) and by number of years spent working at the coal face divided into eight categories.

Usage

data(pneumo)

Format

A data frame with 24 observations on the following 3 variables.

Freq
number of miners
status
pneumoconiosis status - a factor with levels mild normal severe
year
number of years service (midpoint of interval)

Source

M. Aitkin and D. Anderson and B. Francis and J. Hinde (1989) "Statistical Modelling in GLIM" Oxford University Press.


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