snore | R Documentation |
Norton and Dunn (1985) compiled data from four family practice clinics in Toronto to quantify the association between snoring and heart disease for 2484 subjects.
data(snore)
A data frame with 2484 observations on the following 3 variables.
snoring
A factor with levels every.night
nearly.ever.night
never
occasional
ord.snoring
Agresti (21012) transformed the explanatory levels to ordinal values in his analysis of this data.
disease
Presence/absence of heart disease
Norton, P. G., and E. V. Dunn (1985) Snoring as a risk factor for disease: an epidemiological survey. British Medical Journal 291: 630-632.
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