1. Poon’s data with EQS (manul14.eqs)
Ordinal data
Poon’s data with EQS
(manul14.eqs)

2. /TITLE
Test Example for using Categorical Variables
/SPECIFICATIONS
DATA='POON.DAT'; VARIABLE= 8; CASE= 200;
METHODS=ML; MATRIX=RAW;
CATEGORY=V7,V8;
/LABELS
V1=V1; V2=V2; V3=V3; V4=V4; V5=V5;
V6=V6; V7=V7; V8=V8;
/EQUATIONS
V1 = + *F1 + E1;
V2 = + *F1 + E2;
V3 = + *F1 + E3;
V4 = + *F1 + E4;
V5 = + *F2 + E5;
V6 = + *F2 + E6;
V7 = + *F2 + E7;
V8 = + *F2 + E8;
/VARIANCES
F1 = 1;
F2 = 1;
E1 = *;
E2 = *;
E3 = *;
E4 = *;
E5 = *;
E6 = *;
E7 = *;
E8 = *;
/COVARIANCES
F2 , F1 = *;
/END