Snore: Snoring and heart disease

Description Usage Format Source

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

1

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.


MLGdata documentation built on Oct. 23, 2020, 7:47 p.m.