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Interpretation of the coefficients |
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Dear all, I am new in Mplus and SEM. May be it is too naive to ask, but why there is only one coefficient for a categorical predictor variable which has five categories. In usual regression, dont we have n-1 (in this case four) coefficients comapared to a base category? How do we interpret the sole coefficient in this situation? Please note, I have used WLSMV estimator and the categorical variable under discussion is used both as predictor and endogenous. |
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You have to create a set of binary dummy variables from your nominal predictor; this is not automatically done by Mplus. Also, the Categorical= and Nominal= lists are for DVs only, not for IVs( predictors). |
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Dear Prof Muthen, Thank you for your reply. I have replaced original categorical variables each with n-1 dummies. But it results in two problems, a) standard errors and p value can't be determined, b) model doesnt converge unless forced. Just wanted to confirm if I didn't anything wrong. 1. Replaced original categorical variables with corresponding n-1 dummies 2. Declared categorical for the endogenous variables. For example, if X and Z are two endogenous categorical variables, I declared Categorical=x2-x5 z2-z5; Would you please respond? |
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Please send your output to Support along with your license number. |
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