public void doExperiment()
	{
		float avg_coefficient = 0;
		for(Node n : graph.getNodes())
		{
			int en = getNeighboursNumberConnection(n);
			int kn =  n.getToNode().size();
			if(kn > 1)
			{
				float result = (float)en/(kn*(kn-1));
				n.setCoeffcient(result);
				avg_coefficient += result;
			}
			
		}
		avg_coefficient = avg_coefficient/graph.getNodes().size();
		result = "Avarage clustering coefficient = "+ String.valueOf(avg_coefficient);
		
	}