SMPracticals (version 1.3-1)

cloth: Numbers of Flaws in Lengths of Cloth

Description

The data comprise lengths of cloth samples and the numbers of flaws found in them.

Usage

data(cloth)

source

Bissell, A. F. (1972) A negative binomial model with varying element size. Biometrika, 59, 435--441.

References

Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 515.

Examples

data(cloth)
attach(cloth)
plot(x,y)
# Comparison of Poisson and quasilikelihood fits
summary(glm(y~x-1,family=poisson(identity)))
summary(glm(y~x-1,family=quasipoisson(identity)))