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Judy Black posted on Tuesday, November 13, 2012 - 12:33 am
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Dear Drs.Muthen, I am going to examine a predictor of the latent class. But this predictor is a categorical variable. Is it still possible to use this command "Auxiliary = X (r3step)"? Thanks! |
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Jon Heron posted on Tuesday, November 13, 2012 - 1:55 am
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Yes, but you'll need to turn your predictor into a set of binary dummy variables |
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Judy Black posted on Tuesday, November 13, 2012 - 7:15 am
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Hi Jon, Thanks for reply. Suppose X has 3 categories. What commands can I use to turn X into binary dummy variables in Mplus? Kind regards |
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You have to create the dummy variables - no option in Mplus for automatically doing this. |
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Laura posted on Wednesday, May 28, 2014 - 3:06 am
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Hi! I have understood that with auxiliary option the covariates need to be either binary or continuous (e.g. when using "auxiliary (e)"). When I include the same variables in a latent class growth analysis (e.g. "C ON gender" or "C ON age"), do I have to define which of the covariates are binary or continuous? And with binary (dummy) covariates, is zero automatically the reference category? |
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In regression, all covariates are treated as continuous. You should not specify their scale. Yes, zero is the reference category for binary covariates. |
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