Hey all, I'm trying to impute around 25 categorical variables using the fcs function. I have another 30-40 variables I want to use to help with the imputation but want them left as they are (i.e. don't fill in missing values). I want to do this mostly for computing time reasons. I won't actually be adding more than 5-6 of my explanatory variables into my final model so I don't need them to be complete. Once added to the variable statement missing values are automattically imputed, which takes forever. Is there a way to include variables in the MI process that are not actually imputed themselves in SAS 9.3? Thank you for any help you can give.
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