[DDI-users] Public Review of DDI Codebook 2.5 Begins
Mary Vardigan
vardigan at umich.edu
Tue Oct 25 14:15:21 EDT 2011
Dear DDI Community,
The newest version of DDI Codebook - Version 2.5 - is now available for
public review at
http://www.ddialliance.org/Specification/DDI-Codebook/2.5. This version,
an XML Schema, incorporates new substantive elements requested by the
community and is designed to make it easier to migrate documents to DDI
Lifecycle for those interested in doing so.
The zipped download package contains the new schemas and three files
describing the changes from the previous version, DDI 2.1. A spreadsheet
with all changes highlighted in red is available here:
http://www.ddialliance.org/sites/default/files/Changes_DDI_2.5.xls. Note
that namespaces will be reviewed and changed upon approval of DDI 2.5.
DDI Codebook 2.5 is backward compatible with DDI 2.1. Because the
changes are limited in scope, the public review of DDI Codebook 2.5 will
be expedited and will not require the lengthy procedures set forth in
the Bylaws for major changes to the specification.
The public review period starts today and will end on Friday, November
18, 2011. To provide comments, please send email to the DDI Technical
Implementation Committee <mailto:ddi-srg at icpsr.umich.edu> .
Mary Vardigan
Director, DDI Alliance
Assistant Director, Inter-university Consortium for Political and Social
Research (ICPSR)
Phone: 734-615-7908
Fax: 734-647-8200
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