void getHistoInfo ()
{
listHistosNum = new TList();
listHistosDen = new TList();
bool boolNameStrings = true;
listHistosNum = readHistos(inputRootFileNum, boolNameStrings);
boolNameStrings = false;
listHistosDen = readHistos(inputRootFileDen, boolNameStrings);
} // close getHistoInfo function
void Plots2D::savePlot(AllSamples samples, Variable variable){
readHistos(samples, variable);
TH2D* ttbar = samples.ttbar->histo2d;
standardPlot(ttbar, variable);
delete ttbar;
}