| getResponseFormula {nlme} | R Documentation | 
The left hand side of formula{object} is returned as a
one-sided formula. 
getResponseFormula(object)
object | 
 any object from which a formula can be extracted.  | 
a one-sided formula with the response variable associated with
formula{object}. 
Jose Pinheiro and Douglas Bates bates@stat.wisc.edu
getResponseFormula(y ~ x | g)