stepwise {mimR}R Documentation

Stepwise model selection in MIM

Description

Functions to do stepwise model selection in MIM to achieve a new model object.

Usage

stepwise(x, arg = NULL)

Arguments

x A mimModel object
arg Stepwise options to MIM

Value

a mimModel object

Note

Before using mimR, make sure that the MIM program is runnning.

Author(s)

Søren Højsgaard, sorenh@agrsci.dk

References

David Edwards, An Introduction to Graphical Modelling, Springer Verlag, 2002

Examples

data(carcass)
gmd.carc <- as.gmData(carcass)

m.main <- fit(mim(".",  data=gmd.carc))
m.sat  <- fit(mim("..",  data=gmd.carc))

m.main <- mim(".",  data=gmd.carc)
m.sat  <- mim("..",  data=gmd.carc)

m.m <- stepwise(m.main, "f")    # forward
m.s <- stepwise(m.sat, "s")     # backward, exact tests

[Package mimR version 1.2.4 Index]