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fitfunc = TF1("fitfunc", "gaus") # guas, expo, pol1, pol2, etc. fitfunc.SetLineColor(1) fitfunc.SetParameter(0, 100.) # A fitfunc.SetParameter(1, 5.0) # mu fitfunc.SetParameter(2, 0.01) # sigma hist.Fit("fitfunc", "M", "") # function, algorithm, draw option #save fit param with open("fit.log", "w") as fitlog: fitlog.write("# Function: %s\n" % (fitfunc.GetTitle(),)) fitlog.write("# No.\tparam\terror\n") for i in range(fitfunc.GetNpar()): fitlog.write("%s\t%s\t%s\n" % (i, fitfunc.GetParameter(i), fitfunc.GetParError(i))) |
