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Creating SAS data sets
For a general discussion about creating SAS data sets from other SAS data sets by merging, concatenating, interleaving, and updating, see Methods of Combining SAS Data Sets.
Data set options
See the “Data Set Options” section of SAS Data Set Options: Reference, and the SAS documentation for your operating environment.
DROP and KEEP statements
For more information, see “DROP Statement” in SAS Statements: Reference and “KEEP Statement” in SAS Statements: Reference.
Engines
SAS Language Reference: Concepts.
Subsetting IF statement
You can use the subsetting IF statement and conditional (IF-THEN) logic when creating a new SAS data set from an existing one. For more information, see Acting on ...

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