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Constrains to categorical variables |
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yvette xie posted on Saturday, June 06, 2015 - 8:42 pm
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Dear Professor, I have a factor which only contains one categorical observed variable. In order to solve the identification issue, I know I can add constrains to the residual of that variable according to the reliability (e.g. 0.8) and variance if the variable is continuous. Can I use the same method to deal with categorical observed variable? Thank you in advance! |
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The residual variance of a categorical variable is not a model parameter. To put a factor behind a categorical variable, say: f BY u@1; You might as well use u in the model instead of f because f is equal to u. |
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