Knownclass v grouping option and cate... PreviousNext
Mplus Discussion > Categorical Data Modeling >
 Anonymous posted on Wednesday, January 25, 2012 - 12:46 am
I have been using the knownclass option for the analysis of categorical data in multiple groups in conjunction with MLR and to date this works fine. Is it possible to perform these analyses using the grouping option and a different estimator?

Is it possible to perform multiple-group latent class analyses in Mplus of categorical data? Both would require the classes command if the knownclass option is used and I assume this is not possible.
 Linda K. Muthen posted on Wednesday, January 25, 2012 - 6:44 am
Not knowing more about your model, I assume you have categorical factor indicators. In this case, you need the KNOWNCLASS option for grouping. If you use WLSMV, you can use the GROUPING option. There is no difference between using GROUPING and KNOWNCLASS.
 Anonymous posted on Thursday, January 26, 2012 - 2:54 pm
I am thinking about how to specify a factor mixed model analysis with binary/categorical indicators. If I used WLSMV as an estimator could I use GROUPS to specify the groups and CLASSES to specify the number of latent classes?
 Linda K. Muthen posted on Thursday, January 26, 2012 - 3:49 pm
If you have latent classes, you need TYPE=MIXTURE. Only maximum likelihood using the KNOWNCLASS option is available.
 Anonymous posted on Monday, January 30, 2012 - 2:05 am
Is it possible to perform multiple group latent class analyses in Mplus?
 Linda K. Muthen posted on Monday, January 30, 2012 - 6:00 am
Yes. You would use the KNOWNCLASS option.
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