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luhua zhao posted on Tuesday, June 20, 2006 - 1:27 pm
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I am thinking of getting mplus, but currently still using sas for factor analysis. We have 31 variables, all are 3 level categorical variables. Based on sas techinical support, I get the polychoric correlation matrix, and used this matrix in proc factor. I wonder if this approach is the same one used in mplus. Besides, what are the major advantages of using mplus? Thanks. |
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Mplus uses this approach with the unweighted least squares estimator. With the weighted least squares estimator, a weight matrix is involved. With both estimators, standard errors and chi-square fit and other fit statistics are available. |
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