robust (version 0.3-11)

anova.glmRob: ANOVA for Robust Generalized Linear Model Fits

Description

Compute an analysis of variance table for one or more robust generalized linear model fits.

Usage

## 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"))

Arguments

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.

Value

• an anova object.

See Also

glmRob, anova, anova.glmRoblist.

Examples

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)