ANOVA for Robust Generalized Linear Model Fits
Compute an analysis of variance table for one or more robust generalized linear model fits.
## S3 method for class 'glmRob'
anova(object, ..., test = c("none", "Chisq", "F", "Cp"))
## S3 method for class 'glmRoblist'
anova(object, ..., test = c("none", "Chisq", "F", "Cp"))object |
a glmRob object. |
... |
additional glmRob objects. |
test |
a character string specifying the test statistic to be used. Can be one of "F", "Chisq", "Cp" or "none" for no test. |
an anova object.
data(breslow.dat) bres.int <- glmRob(sumY ~ Age10 + Base4*Trt, family = poisson(), data = breslow.dat) anova(bres.int) bres.main <- glmRob(sumY ~ Age10 + Base4 + Trt, family = poisson(), data = breslow.dat) anova(bres.main, bres.int)
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