出现了负的误差方差该怎么办呢？
当出现了负的误差方差该怎么办呀？怎么调整呢？Notes for Model (Group number 1 - Default model)<br /> The following variances are negative. (Group number 1 - Default model)err1-.437<br /> The following covariance matrix is not positive definite (Group number 1 - Default model)学习水平学习意愿学习水平-.001学习意愿.116-.012<br /> <br /> 请求各位帮忙页:
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