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      <h2>SAS and DDI</h2>
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<P>Some tools for using SAS to work with <a href='http://www.ddialliance.org/'>Data Documentation Initiative (DDI)</a>  metadata are listed below.</P>
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	<li> <a href='http://www.ipsr.unit.ku.edu/ksdata/sashttp/ddi/SAS2DDI31.sas'>SAS2DDI31.sas </a>  A SAS program to extract metadata from a SAS dataset and write a DDI 3.1 file.
		This program will find metadata from system and user formats and has the capability of including a SAS CNTLIN dataset in the DDI file. It will also extract metadata from  integrity constraints. Inclusion of the data in the DDI file is an option. </li>
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		<li> <a href='http://www.ipsr.unit.ku.edu/ksdata/sashttp/ddi/Make_SAS2DDI31_TestData.sas'>Make_SAS2DDI31_TestData.sas </a> A SAS program to generate a test file for SAS2DDI31.sas.
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<img src="http://ires.ku.edu/~ipsr/cgi-bin/IPSRcounter.pl?pagename=SAShttp" width=50 height=20 alt="IPSR">
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