asOneSidedFormula {stats} | R Documentation |
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.
asOneSidedFormula(object)
object |
a one-sided formula, an expression, a numeric value, or a character string. |
a one-sided formula representing object
José Pinheiro and Douglas Bates
asOneSidedFormula("age") asOneSidedFormula(~ age)