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Mplus Discussion > Confirmatory Factor Analysis >
 Mairtin McDermott posted on Wednesday, September 24, 2008 - 8:31 am
HI there, I'm attempting to run a CFA with binary data. However each time I attempt to run the analysis I get an error message saying that one of my variables exceeds the number of categories allowed (300+). I'm guessing that I may have input the data incorrectly into SPSS but am unsure how to address this.

 Linda K. Muthen posted on Wednesday, September 24, 2008 - 10:09 am
Please send your input, data, output, and license number to
 Kelly Chad posted on Monday, September 03, 2012 - 2:12 pm
Hi Dr. Muthen,

I have a 3-factor CFA with 19 indicators. I am getting an error message saying the residual covariance matrix is not positive definite and the problem involves my 4th indicator.

What does this mean and what can I do to fix the problem?

Thank you for your help.
 Linda K. Muthen posted on Monday, September 03, 2012 - 3:01 pm
Please send the output and your license number to
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