protected void displayMenu() {
		displayData();
		System.out.println("-------------------Create HMM-----------------------");
		System.out.println("Enter States...................................... 1");
		System.out.println("Enter Emissions....................................2");
		if (this.states != null) {
			System.out.println("Enter State Transition Probabilities...............3");
			if (this.emissions != null) {
				System.out.println("Enter Emission Probabilities.......................4");
				System.out.println("Enter Starting States..............................5");
				System.out.println("Enter Ending States................................6");
				if (this.emissionProb != null && this.stateProb != null &&
					this.beginStateProb != null && this.endStateProb != null) {
				System.out.println("Create HMM.........................................7");
				}
			}
		}
		if (this.hmm == null) {
		System.out.println("Back...............................................0");
		} else {
		System.out.println("Save...............................................0");
		}
	}