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guedon
2005 Feb 02
1
anova.glm (PR#7624)
...sion parameter, so should be
different from the Chisq test. The following is what I got from Splus:
deathstar[31] Splus
S-PLUS : Copyright (c) 1988, 2000 MathSoft, Inc.
S : Copyright Lucent Technologies, Inc.
Version 6.0 Release 1 for Linux 2.2.12 : 2000
Working data will be in /data/home/faculty/yuedong/MySwork
> counts <- c(18,17,15,20,10,20,25,13,12)
> outcome <- factor(rep(1:3,3))
> treatment <- factor(rep(1:3,c(3,3,3)))
> glm.D93 <- glm(counts ~ outcome + treatment, family=poisson())
> anova(glm.D93, test="Chisq")
Analysis of Deviance Table
Poisson model...