asOneSidedFormula Convert to One-Sided Formula
Description
Names, expressions, numeric values, and character strings are converted to one-sided formulae. If object is a formula, it must be one-sided, in which case it is returned unaltered.
Usage
asOneSidedFormula(object)
Arguments
object | a one-sided formula, an expression, a numeric value, or a character string. |
Value
a one-sided formula representing object
Author(s)
José Pinheiro and Douglas Bates
See Also
Examples
asOneSidedFormula("age")
asOneSidedFormula(~ age)
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Licensed under the GNU General Public License.