Calibration using GENOUD optimization algorithm in PAT

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Hi,

I trying to calibrate a model using the utility data. I read in a paper on the subject which is titled “ A GRAPHICAL TOOL FOR CLOUD-BASED BUILDING ENERGY SIMULATION” that “to minimize the difference between actual and model energy use. Therefore, we selected the GENOUD optimization algorithm and an objective function that corresponds to CV(RMSE).”

It seems that the GENOUD method is replaced now in PAT with the RGENOUD. I assume these are very much the same. The question is: how to put an objective function that corresponds to CV(RMSE) in PAT. And how does the optimization method work based on this function?