Question 54: You have written a SAS data step, and you know that you will be reading 500 lines from a raw file in this data step. Now there will be 500 iteration during the execution phase of data step. What is the correct with regards to beginning of each data step?
- Both the automatic variable _N_ and _ERROR_ will be set to missing values.
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Correct Answer : 4 Exp : At the beginning of the SAS data step execution all the variables will be part of observation will be set to o and other variables like _N_ will be incremented by 1, because it represents how many observation have been read till now. Variable _ERROR_ will be set to 1 only in case of there is an error. Once this is set to 1 it will not be reset until end of the file
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