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This method provides the way to estimate the first stage residuals from a prod S4 object - estimates from prodestOP, prodestLP, prodestACF, prodestWRDG and prodestWRDG_GMM - defined in the prodest package
S4
prodest
FSres(object)
object of class prod.
FSres accepts an S4 prod object and returns the vector of firs stage residuals.
FSres