Snore {BSDA}

Snoring versus heart disease

Description

Data for Exercise 8.21

Usage

Snore

Format

A data frame/tibble with 2,484 observations on two variables

snore

factor with levels nonsnorer, ocassional snorer, nearly every night, and snores every night

heartdisease

factor indicating whether the indiviudal has heart disease (no or yes)

Source

Norton, P. and Dunn, E. (1985), Snoring as a Risk Factor for Disease, British Medical Journal, 291, 630-632.

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

T1 <- xtabs(~ heartdisease + snore, data = Snore)
T1
chisq.test(T1)
rm(T1)