#include "TFile.h"
#include "TGraphErrors.h"
#include "TPaveStats.h"
#include "TCanvas.h"

void statsbox(){

  TFile *f = new TFile("graph.root");

  TGraphErrors *g = (TGraphErrors *)f->Get("gdiff_0");

  TCanvas *c= new TCanvas("c","Stats");

  g->Draw("AP");

  c->Update();

  TPaveStats *st =(TPaveStats*) g->GetListOfFunctions()->FindObject("stats");

  //st->SetOptStat(1110);

  //checking is object is there ...
  if(!st) std::cout<< "Stats object pointing to null :-("<<std::endl;

  //Printing list of functions ...
  g->GetListOfFunctions()->Print();


}