Description
A relationship dataset used to describe nonstandard variables and their association to parent records in general-observation class datasets.
supp--.xpt, Supplemental Qualifiers for [domain name] — Relationship. One record per IDVAR, IDVARVAL, and QNAM value per subject per related domain, Tabulation.
Specification
Assumptions
- Timing variables cannot be added to SUPPQUAL datasets.
- Additional SUPPQUAL assumptions are included in Section 2.8.5.3, Relating NSVs and Attributions to a Domain.
Overview
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