Morality data over 20 years for 1314 women from Whickham, England
A data frame with 1314 observations on the following 5 variables.
Status at 20-year follow-up (
Smoker at baseline? (
Age (in years at baseline)
Age group (
Numeric code for Outcome (
Twenty-year mortality, smoking status, and age for 1314 women in Whickham, England. We have named this Whickham2 to distinguish it from Whickham, which is a file in the mosaicData package.
A version of these data are in the mosaicData package but originally are from:
Appleton, D. R., French, J. M., and Vanderpump, M.P. (1996), "Ignoring a Covariate: An Example of Simpson's Paradox," The American Statistician, 50, 340-341.