Best Practices

DDI Best Practices

Best Practices Across the Data Life Cycle

These Best Practices provided reflect the work of 25 individuals who came together in a workshop at Schloss Dagstuhl, in Wadern Germany, in November 2008. The documents are the first attempt to define procedures for using DDI optimally and as such are not considered "final."

Best Practices for Longitudinal Data

The first four of these papers on using DDI to document longitudinal data are the outcomes of a workshop held at Schloss Dagstuhl - Leibniz Center for Informatics in Wadern, Germany, October 18-22, 2010. Workshop participants representing seven countries came together to write the papers, which focus on applying DDI 3 to complex, longitudinal data. The fifth paper on the Generic Longitudinal Business Process Model was an outcome of a workshop held the following year.

The best practice authors and editors welcome your feedback on the usability of the documents and priorities for new best practices. Please send your comments and suggestions to

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