TITLE:
Ch 9: Random Quadratic Age Model for Monitoring
DATA:
FILE = MPLUS_Chapter9.csv;
FORMAT = FREE;
DEFINE:
agesq = agec18*agec18;
VARIABLE:
NAMES = PersonID att12 PMmon copymon18 occasion age risky monitor agec18 att4
mon3 PMmon3 WPmon A18mon3 Ch18mon;
USEVARIABLES = monitor agec18 agesq;
MISSING = ALL (-9999);
CLUSTER = PersonID;
WITHIN = agec18 agesq;
ANALYSIS:
ESTIMATOR = ML;
PROCESSORS = 4;
TYPE = TWOLEVEL RANDOM;
MODEL:
%WITHIN%
monitor;
linear | monitor ON agec18;
quad | monitor ON agesq;
%BETWEEN%
[monitor linear quad] (int bagec18 bagesq);
monitor linear quad;
monitor linear quad WITH monitor linear quad;