====== DDI ======

===== Data Documentation Initiative =====

The Data Documentation Initiative (DDI) est un projet international destiné à créer un standard de documentation technique pour décrire les données de sciences sociales.

The Data Documentation Initiative is an international effort to establish a standard for technical documentation describing social science data. A membership-based Alliance is developing the DDI specification, which is written in XML.

[[http://quexml.sourceforge.net/|queXML]] is a simple XML schema for designing questionnaires and is compatible with the DDI standard for data description.

Voir:
  * http://ddialliance.org/
  * [[http://www.icpsr.umich.edu/DDI/ddi3|DDI 3.0 Technical Specifications]]
  * [[http://tools.ddialliance.org/?lvl1=library|DDI Tools library]]
  * http://fr.wikipedia.org/wiki/Data_Documentation_Initiative
  * autres formats de données : SAS, SPSS, Stata data