I just have one quick question about _ERROR_ Two automatic variables, _N_ and _ERROR_ will be created in project data vector but not in the output of Data step execution. And I can use put statement if the _ERROR_ = 1 to locate the program in the data set. So can I use _ERROR_ for assignmnet statement or any other way to apply this variable? I cannot figure this out by running the code or search the answer online. Thanks,
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