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The Data Documentation Initiative (DDI) is an international effort to establish an XML-based standard for representing lifecycle information about social science research and similar data. DDI facilitates the automation of documentation and production systems for the delivery of social science data as well as for preservation and exchange. DDI 3 files also have the capacity to contain both metadata, and the data being described. For some SAS users there will be a need to document existing SAS datasets via system-independent DDI files. This paper describes approaches to tools that can extract metadata and or data from an existing SAS dataset and add other metadata such as title, creator, funding agency etc. to create a DDI file.
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