public double findSupport(ItemSet itemSupport) {
		Timer timer = new Timer();
		timer.startTimer();
		double supportCount = 0;/*keep track of the count for support of an itemSet*/
		int num = this.transactionSet.size();
		for (int i = 0; i < num; i++) {
				if (this.transactionSet.get(i).getTransaction().containsItemSet(itemSupport.getItemSet())) {
					supportCount++;

				}
		}
		timer.stopTimer();
		//System.out.println(("TransactionSet.findSupport Time in Milliseconds: " + timer.getTotal()));
		return supportCount;
	}