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Radhi_sas
Calcite | Level 5

Why do we use ?? in the dataset for ex:  substr(compress(put(subjid,??best.)),4,3);

3 REPLIES 3
Ksharp
Super User

It suppress the Error message appear in LOG if subjid is not a digit .

RW9
Diamond | Level 26 RW9
Diamond | Level 26

Used to hide lack of knowledge about the data.  If your getting an Error in the log, then fix it, don't hide it.

Kurt_Bremser
Super User

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