cloth {SMPracticals} | R Documentation |
The data comprise lengths of cloth samples and the numbers of flaws found in them.
data(cloth)
A data frame with 32 observations on the following 2 variables.
Bissell, A. F. (1972) A negative binomial model with varying element size. Biometrika, 59, 435–441.
Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 515.
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)))