goTutorial.m
	Use all features excepts derived variables, including {'bmi', 'ms1', 'ms2', 'ms3', 'ms4', 'ms5', 'ms'}

goTutorial02.m
	Use features of {'yr', 'gender', 'ms1', 'ms2', 'ms3', 'ms4', 'ms5', 'ms'}
	
fliver: two classes of FLD
flivero: four classes of FLD