wheeze {geessbin} | R Documentation |
Wheeze dataset
Description
The data studied the effect of air pollution on the health of 16 children. The outcome variable was the wheezing status measured consistently four times yearly at ages of 9, 10, 11, and 12 years.
Format
A data frame with 64 observations on the following 6 variables:
ID
child identifier.
Wheeze
binary indicator of wheezing presence.
City
binary indicator of whether the child lives in Kingston (0 = Portage; 1 = Kingston).
Age
age of child in years ranging from 9 to 12.
Smoke
measure of smoking habits (cigarettes per day) of child's mother.
References
Hardin, J. and Hilbe, J. (2013). Generalized Estimating Equations, 2nd edition. Chapman and Hall, London.
Lipsitz, S. R., Fitzmaurice, G. M., Orav, E. J., and Laird, N. M. (1994). Performance of Generalized Estimating Equations in Practical Situations. Biometrics, 50, 270–278, doi:10.2307/2533218.
Examples
data(wheeze)