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| Metadataspec |
|---|
Hierarchy of Grouping Variables | STUDYID |
| DOMAIN |
| --CAT |
| --SCAT |
| USUBJID |
| --GRPID |
|
Variable Use
| Metadataspec |
|---|
| Grouping of Records | Variable(s)| Records Grouped | Purpose of Grouping |
|---|
STUDYID | By Study |
STUDYID | - All records with the same STUDYID value are a group of records that describe that study.
| DOMAIN | By Domain |
DOMAIN | - All records with the same DOMAIN value are a group of records that describe that domain.
|
Across Subjects | --CAT and --SCAT | Across Subjects | - --CAT and --SCAT values subset groups of tests within a domain and apply to all subjects within the
|
domain. Generally, --CAT/--SCAT values have meaning within a particular and apply to all subjects within that domain. For example, a lab record with LBTEST = "SODIUM" might have LBCAT = "CHEMISTRY" and LBSCAT = "ELECTROLYTES". USUBJID | - All records with the same USUBJID value are a group of records that describe that subject.
|
For Subjects | |
How Grouping Variables Group Data
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