TITLE: Ch 10a: Empty Means, Random Intercept Model for Years in Study DATA: ! Prior necessary data manipulation conducted using other programs FILE = MPLUS_Chapter10a.csv; FORMAT = FREE; VARIABLE: NAMES = PersonID occasion ageT0 tvage ytdT0 tvytd recall time roundage tvage84 ageT084 roundytd tvytd7 ytdT07; USEVARIABLES = time; MISSING = ALL (-9999); CLUSTER = PersonID; ANALYSIS: ESTIMATOR = ML; PROCESSORS = 4; TYPE = TWOLEVEL RANDOM; MODEL: %WITHIN% time; %BETWEEN% [time]; time;