I have run into trouble trying to rebin a RooDataSet. After loading the data from a TTree:
RooDataSet* data_bkg=new RooDataSet(“data_bkg”,“data_bkg”,(TTree*)file->Get(“tree_passedEvents”),RooArgSet(*ws->var(“mZZ”),leptType,nBTags,mZjj),
“nBTags==0 && (mZjj>75 && mZjj<105) && leptType==1”);
I have plotted this on a rooplot and chose a different binning:
RooPlot *plot_MCbkg = ws->var(“mZZ”)->frame();
However, the histogram this results in has non-integer values. Does anyone know why this is?