offset: Include an Offset in a Model Formula

offsetR Documentation

Include an Offset in a Model Formula

Description

An offset is a term to be added to a linear predictor, such as in a generalised linear model, with known coefficient 1 rather than an estimated coefficient.

Usage

offset(object)

Arguments

object

An offset to be included in a model frame

Details

There can be more than one offset in a model formula, but - is not supported for offset terms (and is equivalent to +).

Value

The input value.

See Also

model.offset, model.frame.

For examples see glm and Insurance in package MASS.