| Understanding DATA Step Processing |
| Execution
Phase |
At the beginning of the execution phase, the value of _N_ is 1. Because there are no data errors, the value of _ERROR_ is 0. The remaining variables are initialized to missing.
data perm.update;
infile invent;
input Item $ 1-13 IDnum $ 15-19
Instock 21-22 BackOrd 24-25;
Total=instock+backord;
run; |
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