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Hi,
I am running CFA, i got the message that 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.
i also found the that THE SAMPLE CORRELATION OF Y2 AND Y1 IS -1.000
How can i sort this out, do i have to write a certain command? please advise.
Thanks, |
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| This means y1 and y2 are not statistically distinguishable and both cannot be used. The model is inadmissible. |
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| how many indicators do you have? |
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