恩,提示了:Minimization was unsuccessful The results that follow are therefore incorrect. The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 2 additional constraints. 但是按照识别规则,自由度应该够了, Computation of degrees of freedom (Default model) Number of distinct sample moments: 21 Number of distinct parameters to be estimated: 15 Degrees of freedom (21 - 15): 6 这是什么原因,和我的数据有问题? |