/****************************************************************/
/*          S A S   S A M P L E   L I B R A R Y                 */
/*                                                              */
/*    NAME: FACEX4                                              */
/*   TITLE: Documentation Example 4 for PROC FACTOR             */
/* PRODUCT: STAT                                                */
/*  SYSTEM: ALL                                                 */
/*    KEYS: factor analysis                                     */
/*   PROCS: FACTOR                                              */
/*    DATA:                                                     */
/*                                                              */
/* SUPPORT: yiyung                UPDATE: August 23, 2007       */
/*     REF: PROC FACTOR, Example 4                              */
/*    MISC:                                                     */
/****************************************************************/

data test(type=corr);
   title 'Quartimin-Rotated Factor Solution with Standard Errors';
   input _name_ $ test1-test9;
   _type_ = 'corr';
   datalines;
Test1      1  .561  .602  .290  .404  .328  .367  .179 -.268
Test2   .561     1  .743  .414  .526  .442  .523  .289 -.399
Test3   .602  .743     1  .286  .343  .361  .679  .456 -.532
Test4   .290  .414  .286     1  .677  .446  .412  .400 -.491
Test5   .404  .526  .343  .677     1  .584  .408  .299 -.466
Test6   .328  .442  .361  .446  .584     1  .333  .178 -.306
Test7   .367  .523  .679  .412  .408  .333     1  .711 -.760
Test8   .179  .289  .456  .400  .299  .178  .711     1 -.725
Test9  -.268 -.399 -.532 -.491 -.466 -.306 -.760 -.725     1
;

title2 'A nine-variable-three-factor example';
proc factor data=test method=ml reorder rotate=quartimin
   nobs=200 n=3 se cover=.45 alpha=.1;
run;