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Base SAS

DATA Step

Understanding the Compression Attribute of a SAS Data Set (September 2010)

Determine whether compression (the COMPRESS= option) is effective for your SAS data set, and learn about the costs.

Perl Regular Expressions

Find out how to use Perl Regular Expressions, or regexp, to quickly and concisely search through text, extract data from text, and search and replace within text. This is production in SAS 9.

Components Objects and Dot Notation (updated March 2008)

Learn about the new DECLARE statement to create objects within the DATA step. Hash table and Java object classes are the first two classes provided. Hash object and iterator are production in SAS 9.1 and preproduction in SAS 9.0. Java object is preproduction in 9.0 and 9.1.

ODS Report Writing Interface (updated March 2009)

This object-oriented feature for DATA _NULL_ report writing is preproduction in SAS 9.1.3 and later. You can build tables cell-by-cell with all your favorite ODS features, such as proportional fonts, traffic lighting in cells, and embedded images, and you can also create non-rectangular output, insert sub-totals, and manage your layout.

SAS Notes for ODS and the DATA step

These SAS Notes, FAQs, and samples are compiled by SAS R&D and Technical Support.

Tip sheets for quick reference

• Perl regular expressions (.pdf)
• Hash object (.pdf)

Papers

• Executing a PROC from a DATA Step (.pdf) New! (April 2012)
• Could You Remind Me? Creating Calendar Events from SAS (.pdf) (March 2009)
• If I Only Had a Map. Getting from Here to There: Common Approaches to Solving Data Step Logic Issues (.pdf) (March 2009)
• The Power to Show: Ad Hoc Reporting, Custom Invoices, and Form Letters (ODS Report Writing Interface) (March 2009)
• A Sampler of What's New in Base SAS 9.2 (.pdf) (July 2008)
• Better Hashing in SAS 9.2 (.pdf) (March 2008)
• Getting Started with the DATA Step Hash Iterator (.pdf) (April 2007)
• Getting Started with the DATA Step Hash Object (.pdf) (updated April 2007)
• User Written DATA Step Functions (.pdf) (updated April 2007)
• DATA Step in Version 9: What's New? (.pdf) (updated for SUGI 29)

Archive: Versions 7 and 8

• DATA Step in Version 7: What's New? (SUGI 23)
• ODS: The DATA Step Knows (SUGI 23)

Your Turn

The developers, testers and documentation folk that bring you Base SAS Software are very excited about the potential of these new capabilities of the SAS System. You can send electronic mail to Base.Research@sas.com with your comments.