Convert to One-Sided Formula

Usage

asOneSidedFormula(object)

Arguments

object a one-sided formula, an expression, or a character string.

Description

Names, expressions, and strings are converted to one-sided formulas. If object is a formula, it must be one-sided, in which case it is returned unaltered.

Value

a one-sided formula representing object

Author(s)

Jose Pinheiro and Douglas Bates

See Also

formula

Examples

library(lme)
asOneSidedFormula("age")
asOneSidedFormula(~ age)

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