Which statement is used to retain variables in an output dataset during data step processing?

Get ready for the SAS Advanced Programming Certification Exam. Use multiple choice questions and flashcards, with detailed explanations. Ensure success in your exam and enhance your SAS skills!

The statement used to retain variables in an output dataset during data step processing is the KEEP statement. This statement allows you to specify which variables should be included in the output dataset while omitting all others that are not explicitly mentioned. By utilizing the KEEP statement, you can effectively control the content of your resulting dataset, ensuring that only the necessary variables are retained for further analysis or reporting.

In contrast, the DROP statement is used to remove variables from the output dataset, allowing you to exclude unnecessary data. The RENAME statement is tasked with changing the names of variables in the output dataset, while the LABEL statement is intended for providing descriptive labels for the variables. Each of these serves a different purpose and does not function to retain specified variables, which is the primary role of the KEEP statement.

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