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Getting Started Example 1 for PROC IRT

/****************************************************************/
/*          S A S   S A M P L E   L I B R A R Y                 */
/*                                                              */
/*    NAME: IRTGS1                                              */
/*   TITLE: Getting Started Example 1 for PROC IRT              */
/* PRODUCT: STAT                                                */
/*  SYSTEM: ALL                                                 */
/*    KEYS:                                                     */
/*   PROCS: IRT                                                 */
/*    DATA:                                                     */
/*                                                              */
/* SUPPORT: Xinming An                                          */
/*     REF: PROC IRT, Getting Started Example                   */
/*    MISC:                                                     */
/****************************************************************/

data IrtBinary;
   input item1-item10 @@;
   datalines;
1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 0 1 0 0 1 1 1 1 1 1
0 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 0 0 1 0 1 1 1 1 1 1 1 1 1 1 1
1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 1 1 0
0 0 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 0 0 0
1 1 0 1 1 1 1 1 1 1 1 0 0 0 1 0 1 0 0 1 0 1 1 1 0 0 0 0 1 0 1 1 1 1 1
1 1 1 1 1 0 1 1 0 0 0 1 0 0 1 0 1 1 1 0 0 1 0 0 0 1 1 1 0 1 1 1 0 1 1
1 1 1 1 1 1 0 1 1 0 0 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 0 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 0 1
0 1 0 0 1 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 1 0 0 0 0 1 1 1 1 1
1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1
1 1 0 1 0 0 0 1 1 0 1 0 0 0 0 1 0 1 1 1 0 1 0 0 0 1 1 1 1 1 1 1 1 0 0
0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0
1 0 1 0 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 0 0 1 0
1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1
1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 0 1 0 0 0 0 1
1 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 1 1 0 0 1 0 1 1 1 1 0 1
1 1 1 0 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1
1 1 1 1 0 1 1 1 1 1 1 1 0 0 0 1 0 0 1 1 1 1 1 1 0 0 0 1 1 0 0 0 1 0 1
0 0 0 1 0 1 1 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 0 1 1 0
1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 0 0 1 1 0 0 0 1 1 0 0 0 1 0 1 1 1 1 0
1 1 1 0 1 0 0 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 1 0 1 1 1 0 0 0 1 0 1 0
0 1 0 1 1 0 1 0 0 0 1 1 1 0 1 1 1 0 1 1 0 0 0 0 0 1 1 1 0 0 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1
0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 0 1
1 1 1 1 1 1 1 0 1 1 0 1 0 0 1 1 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 1 0 0 0 0 0 0 1 1 1 0 0 1 0 1 1 1
1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 1 1
;

proc irt data=IrtBinary;
   var item1-item10;
run;