请问这个情况怎么解决

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[img]file:///C:\Users\Administrator.USER-20150710IY\AppData\Roaming\Tencent\Users\342701556\QQ\WinTemp\RichOle\%3(]7C4CJOT0[(}(WE%4(VA.png[/img][img=0,1]file:///C:\Users\Administrator.USER-20150710IY\AppData\Roaming\Tencent\Users\342701556\QQ\WinTemp\RichOle\%3(]7C4CJOT0[(}(WE%4(VA.png[/img]
运行结果总是出现这个怎么办？
固定f2的方差还是不行，请问应该怎么固定方差
f2@1
     WARNING:  THE LATENT VARIABLE COVARIANCE MATRIX (PSI) IS NOT POSITIVE
     DEFINITE.  THIS COULD INDICATE A NEGATIVE VARIANCE/RESIDUAL VARIANCE FOR A
     LATENT VARIABLE, A CORRELATION GREATER OR EQUAL TO ONE BETWEEN TWO LATENT
     VARIABLES, OR A LINEAR DEPENDENCY AMONG MORE THAN TWO LATENT VARIABLES.
     CHECK THE TECH4 OUTPUT FOR MORE INFORMATION.
     PROBLEM INVOLVING VARIABLE F2.

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关键词：correlation information covariance Informatio dependency 论坛

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