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Hi Linda, I am using several categorical covariates, e.g., age, for trajectory analysis. Can I use age as categorical variable using categorical=age? Or should I create dummy variable for each age, such as age1 (1 if age=1, 0=otherwise), age2 (1 if age=2, 0=otherwise)... Thank you for your help. Hee-Jin |
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The CATEGORICAL statement is for dependent variables only. Observed exogenous independent variables can be binary or continuous. You can treat age as continuous or create a set of dummy variables. |
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