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Mplus Discussion > Structural Equation Modeling >
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 Gaurav Bansal posted on Saturday, May 03, 2008 - 3:01 pm
Dear Authors,

I am having trouble with multliple group analysis. I have a second order construct as well in my model. I am trying to equalize one path across the two models. I am getting the following error message:
THE MODEL ESTIMATION TERMINATED NORMALLY

THE STANDARD ERRORS OF THE MODEL PARAMETER ESTIMATES COULD NOT BE
COMPUTED. THE MODEL MAY NOT BE IDENTIFIED. CHECK YOUR MODEL.
PROBLEM INVOLVING PARAMETER 251.

THE CONDITION NUMBER IS 0.480D-17.


Please advise.
 Linda K. Muthen posted on Saturday, May 03, 2008 - 3:18 pm
Please send your output and license number to support@statmodel.com.
 Mohini Lokhande posted on Thursday, May 08, 2008 - 8:57 am
Dear Linda Muthen,

I have a short question concerning analyses with subgroups. Is it possible to conduct the analyses with only one subgroup (e.g. only girls) if the file contains more than one subgroups (e.g. boys and girls)?

Until now I always prepared a new Ascii-File for each subgroup.

Thank you very much for your help.
 Linda K. Muthen posted on Thursday, May 08, 2008 - 12:35 pm
See the USEOBSERVATIONS option of the VARIABLE command.
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