Asymptotic Calculator on simultaneous Pdf

[JackC]

After a little more googling it seems similar problems were reported here without resolution:

Adding constraints to RooSimultaneous

Is there a good way to add constraints to a RooSimultaneous pdf? Here’s what I’m doing right now. simPdf is a pdf generated by histfactory. top_ratio_val = temp_file.Get("top_ratio")[0] ws.factory('expr::top_ratio("n_of_top/n_sf_top", n_of_top, n_sf_top)') ws.factory('RooGaussian::top_ratio_constraint(top_ratio, nom_top_ratio[{0}], {1})'.format(top_ratio_val, top_ratio_val*0.1)) vv_ratio_val = temp_file.Get("vv_ratio")[0] ws.factory('expr::vv_ratio("n_of_vv/n_sf_vv", n_of_vv…