我一年前的可以运行的,但现在要重新分析数据啦,就出不来了,不知道问题出在哪里?Warnings
The predicted value variable can't be identified. No variable is named PRED, and no PRED subcommand was found.
This command is not executed.
No model program has been defined. Refer to your manual for a description of the commands needed to define the model.