Snore {MLGdata}

Snoring and heart disease

Description

Data from a report of a survey which investigated whether snoring was related to heart disease. Those surveyed were classified according to the amount they snored, on the basis of reports from their spouses.

Usage

Snore

Format

Data frame with 8 observations on the following 3 variables

pat

presence of heart disease, factor with 2 levels (no, si)

russ

level of snoring, factor with 4 levels (mai, no snoring; a volte, occasional snoring; spesso, snoring nearly every night; sempre, alwayssnoring;)

freq

frequency observed in the cross classification of the previous 2 variables

Source

Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J., Ostrowski, E. (1994). Small Data Sets. London Chapman and Hall/CRC.