Why do we use ?? in the dataset for ex: substr(compress(put(subjid,??best.)),4,3);
It suppress the Error message appear in LOG if subjid is not a digit .
Used to hide lack of knowledge about the data. If your getting an Error in the log, then fix it, don't hide it.
'Used to hide lack of knowledge about the data. If your getting an Error in the log, then fix it, don't hide it.'
Yes! Yes! Yes!
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