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Use of Question Item Type, Response Domain, and Instrument Control Construct (including entry of PreText and IfThenElse)
Example showing the use of the NCube Logical Product structure, NCube Physical Data Structure, and Physical Instance
Sample online catalog record using the American National Election Study, 2004
Example showing the grouping approach for comparable variables, description of derived variables as well as the relationship of waves and the household / person relationship
Use of Spatial Coverage Type