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This section describes how the SDTM will be implemented to represent relationships between records within a domain, between records in different domains,
and between datasets. Jira showSummary false server Issue Tracker (JIRA) serverId 85506ce4-3cb3-3d91-85ee-f633aaaf4a45 key TOBA-797
When applicable, variables IDVAR and IDVARVAL will represent variable and value pairs used as record-level keys to merge/join records between datasets.
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- Each observation within a dataset.domain
- Groups of records in a dataset.observations within a domain
The uniqueness of values by observation or groups of observations can be used to represent relationships efficiently. In cases where values are unque unique to observationsWhen possible , the variable represented in IDVAR will have values from collected data (e.g., --SPID, --RECID), but when possible. When this is not possible, variables with derived values may also be used (e.g., --SEQ).
...
, LNKID, --LNKGRP).
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