update.lm(base)R Documentation

Update a [G]LM Model

Description

.....

Usage

 update.lm( lm.obj, formula, data, weights, subset, na.action)
update.glm(glm.obj, formula, data, weights, subset, na.action,
           offset, family, x)

Arguments

[g]lm.obj result of lm or glm.

The following arguments are all optional, and have the identical meaning as the arguments of lm or glm, respectively:

formula a formula for updating the former model.
data the data.frame.
weights observation weights.
subset choose a subset of cases.
na.action a function. what do to with NAs, see na.action.
offset see glm.
family family for glm.
x logical, should the x matrix be returned?

Value

An object of the same class as the original glm.obj.

References

The ``white book''.

See Also

update.formula, formula,lm,glm.

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