#include "TGraph.h"

void example01(){
  
  TGraph myData("dataset1.dat");
  
  myData.Print();  		// prints the content of the file
  
  int n=myData.GetN();
  cout << "n=" << n << endl;  	// number of data points
  
  double xmin,ymin,xmax,ymax;
  xmin = myData.GetX()[0];    	// accessing X and Y values
  ymin = myData.GetY()[0];
  xmax = myData.GetX()[n-1];
  ymax = myData.GetY()[n-1];
  
  cout << "X Limits:"<< endl;
  cout << xmin << "\t" << ymin << endl;
  cout << xmax << "\t" << ymax << endl;
    
  cout << myData.Eval(22.) << endl; // interpolating
  

}