This function is generic; method functions can be written to handle specific classes of objects. Classes which already have methods for this function include data.frame, gls, lme, and lmList.
getResponse(object, form)
Arguments
object: any object.
form: an optional two-sided formula. Defaults to formula(object).
Returns
For the data.frame method, the result of evaluating the left-hand side of form in object.
For gls, lme, and lmList, the sum of the fitted values and the residuals.