Programming the statistical procedures from SAS

Prediction for Stochastic Frontier

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Prediction for Stochastic Frontier

Hi,

I'm working with Stochastic frontier and the proc qlim function and I would like to know how I can create a prediction of the technical efficiency variable Sigma_u and the error variable Sigma_v.

This is the program code I'm usind:

proc qlim data=Trial method=congra;

   Class Country;

      model Yield=country TCV_sin_REC*country TCV_sin_REC*TCV_sin_REC*country / noint;

        test/wald;

            endogenous Yield ~ frontier (type=exponential production);

             run;

Thanks for any support!

Bernard

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