Dataset: cancer_smoke_drink.csv

Source: K.J. Rothman (1975). "A Pictorial Representation of Confounding
in Epidemiologic Studies," Journal of Chronic Diseases, Vol. 28, Issue 2, pp. 101-108.

Description: Results of a Case-Control study considering the effects of smoking and
drinking on incidence of cancer of the mouth and pharynx.

Variables:
alcohol  (1=Alcohol drinker, 0=nondrinker)
smoke (1=smoker, 0=nonsmoker)
cancer (1=Yes (Cases), 0=No (Controls))