The data consist of observations on three variables for each of 212 men in a sample of Cardiff enumeration districts.
A data.frame of 212 obs of 3 variables:
numeric, the number of cigarettes per day
numeric, the smoke level in the locality
integer, 1= respondent suffered from chronic bronchitis
factor, with levels
See p.224 in SMIR
This copy of the dataset was copied from version 0.02 of the SMIR package, which in turn obtained it from Jones (1975).
Jones, K. (1975), A geographical contribution to the aetiology of chronic bronchitis, Unpublished BSc dissertation, University of Southampton. Published in Wrigley, N. (1976). Introduction to the use of logit models in geography, Geo.Abstracts Ltd, CATMOG 10, University of East Anglia, Norwich.
Murray Aitkin, Brian Francis, John Hinde and Ross Darnell (2009). SMIR: Companion to Statistical Modelling in R (SMIR). Oxford University Press.
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