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Residual correlation of 1.000 |
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Hello, I am running a model as follows: Type is Twolevel; Model: %Between% y1 on x1 x2 y2 on x3 x4 x5 In running my model, I have received the following message: The estimated between covariance matrix is not positive definite as it should be. Computation could not be completed. Problem involving variable y1. The residual correlation between y1 and y2 is 1.000. How can I deal with this issue? Any suggestion would be much appreciated. Many thanks, Becky |
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If you are not using the most recent version of Mplus, that would be my first suggestion. Then do a TYPE=TWOLEVEL BASIC to see the between-level correlation between these two variables. |
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Thanks so much Linda. Utilizing the most recent version solved the problem. |
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