The data are a record of physician smoking habits and the frequency of death by myocardial infarction, or heart attack.
A data frame with 10 observations on the following variables.
Ordinal age group
count of deaths in category
number of physisian years in scope of data
Dummy variable for age level 1
Dummy variable for age level 2
Dummy variable for age level 3
Dummy variable for age level 4
Dummy variable for age level 5
The physicians were divided into five age divisions, with deaths as the response, person years (pyears) as the binomial denominator, and both smoking behavior (smokes) and agegroup (a1–a5) as predictors.
Doll, R and A.B.Hill (1966). Mortality of British doctors in relation to smoking; observations on coronary thrombosis. In Epidemiological Approaches to the Study of Cancer and Other Chronic Diseases, W. Haenszel (ed), 19: 204–268. National Cancer Institute Monograph.
Hilbe, J., and A.P. Robinson. 2012. Methods of Statistical Model Estimation. Chapman & Hall / CRC.
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