2# lujingdan
谢谢你，是这样的，
Computation of degrees of freedom (Default model)
| Number of distinct sample moments: | 55 |
| Number of distinct parameters to be estimated: | 24 |
| Degrees of freedom (55 - 24): | 31 |
Result (Default model)
The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 4 additional constraints.我现有的教程没有增加限制条件的步骤，求详细步骤，谢谢~
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