Chapter 8 Poisson Regression
8.1 Fitting the Model
glm( Y ~ X , data = , family = "poisson" )
8.2 Quasi-Poisson Regression
glm( Y ~ X , data = , family = "quasipoisson" )
8.3 Checking for Overdisperion
suppressMessages(library(AER))
dispersiontest(model)
8.4 Including Offsets
glm( Y ~ X , offset = log( offsetvariable ) , data = )