SMPracticals (version 1.3-1)

eyes: Visual Impairment Data

Description

Joint distribution of visual impairment on both eyes, by race and age.

Usage

data(eyes)

source

K.-Y. Liang, S. L. Zeger and B. Qaqish (1992) Multivariate regression analyses for categorical data (with Discussion). Journal of the Royal Statistical Society, series B, 54, 3--40.

References

Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 505.

Examples

data(eyes)
eyes.glm <- glm(y~age*colour+L*R+(L+R):poly(a,2)+colour:(L+R),poisson,data=eyes)
anova(eyes.glm,test="Chi")   # analysis of deviance for loglinear model