Multiple choice technology programming languages

Which of the following you cannot use if you use DROP in data step?

  1. KEEP

  2. DELETE

  3. REUSE

  4. COMPRESS
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A Correct answer
Explanation

DROP and KEEP are mutually exclusive in a SAS data step as they serve opposite purposes - DROP excludes variables while KEEP retains variables. Using both in the same data step creates a logical conflict.

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