Multiple fits on 1 histogram and Fit results in TPaveStat

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Multiple fits with SetOptFit parameters

Hello everyone, I’m quite new to root and I hope you can help me with a fitting problem. I have several data points with errors in a TGraphErrors plot and try to fit them with a constant (pol0) and a straight line (pol1). With the “+” option of Fit I’m able to fit with both functions, access the parameters and I can also print them with cout. But in the SetOptFit-box only the parameter of the first function shows up. Does anyone know how to print both parameter sets in the same pave? I’ve tried…