update for objects inheriting from class lmRob. See update for the general behavior of this function and for the interpretation of the arguments.## S3 method for class 'lmRob':
update(object, formula, evaluate = TRUE, class, ...)y ~ a + b. A single dot . on either side of the ~ gets replaced by the left or right side of the formula in object. The dot on the left can be omitted. By default, it refitTRUE the updated call is evaluated and returned. Otherwise the unevaluated call is returned.formula is missing, update.lmRob alternates between the initial estimates and final estimates. If formula is present, update.lmRob functions just like update.default.lmRob.
update.