asOneSidedFormula
Convert to One-Sided Formula
Description
Create a formula with no left hand side (only predictors, no response).
Usage
asOneSidedFormula(object, env = parent.frame())
Arguments
| object |
A formula, call, character string, name, or number.
|
Value
If object is a formula (the usual case) return it if it has
no left hand side but stop if it does. If it is
a call to ~ convert it to a formula object
and treat it as above.
Otherwise, if object is a name or expression
return a formula with object on the right hand side.
If object is a character string, convert to
a name object and treat it as above.
See Also
Examples
asOneSidedFormula( ~ p1 + p2)
asOneSidedFormula("p1")