代码如下，本意是对问卷里一些题项做验证性因子分析。
TITLE: 333
DATA：FILE IS C:\Users\Leon\Desktop\data.dat

VARIABLE:
MISSING ARE ALL (-999);
NAMES are T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T19 T20 T21;
USEVAR are T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T19 T20 T21;

Model:
f1 by T19 T20 T21;
f2 by T11 T12 T13 T14;
f3 by T15 T16 T17;
f4 by T8 T9 T10;

Analysis:
ESTIMATOR = MLR;

Output:STDYX;SAMPSTAT;


改了一下午，老是跑不动，给我整晕了
每次都是同一个报错

*** ERROR in DATA command
  FILE option is required.  Specify the name of the data file using
  the FILE option.

希望有大佬能指点一下，谢谢！