White Papers

Creating Common Information Structures Using List's Stored in Data Step Hash Objects

Category: Data Management, Software and Web Development

Tags: data

Overview The ability of the SAS 9 DATA step HASH object to resize the amount of information that can be stored during DATA step execution opens up a number of opportunities to exploit. Significantly, it provides a dynamic framework on which one can mimic the behavior of other common information structures, such as array lists, stacks, queues, deques, and linked lists. This paper shows how this is accomplished by using the HASH object to store list data and to implement custom code to provide list functionality. This paper provides a brief introduction to lists, followed by a series of discussions and example code for implementing several common information structures.

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Publisher: SAS Institute
File Format: PDF
Date Published: May 29, 2009
Format: White Papers
Topics: Application Development, Knowledge and Data Management

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