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In the flow of DATA step processing, what is the first
action in a typical DATA Step?
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Answer Posted / latha reddy
1)Compilation Phase
When you submit a DATA step,it reads the input statements
it creates an input buffer and brings the variables and
observations.it is a logical memory area.
and pdv brings the observations at a time from input buffer
and checks the errors.
PDV contains 2 automatic variables _n_ & _error_ ,these
checks the erros in observations.
_n_ : indicates the no of obs.
_error_: 1 if error occured
0 if no error
After that it assigns the datavalues to appropriate
variable and build a sas dataset.
2)Execution Phase
| Is This Answer Correct ? | 12 Yes | 2 No |
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