TITLE:
Ch 7b: Fixed Cubic, Random Linear Age Model
DATA:
FILE = MPLUS_Chapter7b.csv;
FORMAT = FREE;
DEFINE:
agesq = agec18*agec18;
agecub = agec18*agec18*agec18;
VARIABLE:
NAMES = PersonID att12 copymon18 occasion age risky monitor agec18 att4;
USEVARIABLES = risky agec18 agesq agecub;
MISSING = ALL (-9999);
CLUSTER = PersonID;
WITHIN = agec18 agesq agecub;
ANALYSIS:
ESTIMATOR = ML;
PROCESSORS = 4;
TYPE = TWOLEVEL RANDOM;
MODEL:
%WITHIN%
risky;
linear | risky ON agec18;
quad | risky ON agesq;
cubic | risky ON agecub;
%BETWEEN%
[risky linear quad cubic] (int bagec18 bagesq bagecub);
risky linear quad@0 cubic@0;
risky WITH linear;