Chapter 12: Reading SAS Data Sets

  1. Correct answer: b
    The variables Age, Weight, and Group are specified using the KEEP= option in the SET statement. After processing, Age and Group are dropped in the DATA statement.
  2. Correct answer: c
    You specify the data set to be created in the DATA statement. The DROP= data set option prevents variables from being written to the data set. Because you use the variable OrdrTime when processing your data, you cannot drop OrdrTime in the SET statement. If you use the KEEP= option in the SET statement, then you must list OrdrTime as one of the variables to be kept.
  3. Correct answer: d
    When you use the BY statement with the SET statement, the DATA step creates the temporary variables FIRST. and LAST. ...

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