print "2016 with 2018: ", h_signal_2016.Chi2Test(h_signal_2018, "WW") print "2017 with 2018: ", h_signal_2017.Chi2Test(h_signal_2018, "WW") h_ratio_hists["h_ratio_2016_2017"] = copy.deepcopy(h_signal_2016) h_ratio_hists["h_ratio_2016_2018"] = copy.deepcopy(h_signal_2016) h_ratio_hists["h_ratio_2017_2018"] = copy.deepcopy(h_signal_2017) gStyle.SetOptStat(0) canvas_years = TCanvas() pad1 = TPad("pad_main_plot", "", 0, 0.28, 1, 1.) pad2 = TPad("pad_ratio_plot", "", 0, 0.01, 1, 0.27) pad1.SetTopMargin(0.047) pad1.SetBottomMargin(0.02) pad1.SetBorderMode(0) pad1.SetBorderSize(0) pad1.SetFrameBorderSize(0) pad2.SetBorderSize(0) pad2.SetFrameBorderSize(0) pad2.SetBottomMargin(0.3) pad2.SetBorderMode(0) pad1.Draw() pad2.Draw() pad1.cd() legend_years = TLegend(0.15, 0.7, 0.3, 0.95) legend_years.SetHeader(" ") legend_years.SetFillColor(0) legend_years.SetBorderSize(0) legend_years.SetLineColor(1) legend_years.SetLineStyle(1) legend_years.SetLineWidth(1)