...
Metadataspec |
---|
For | Category | Guidance |
---|
CRF and System Design | Collection of Dates | | Tabulation Dataset Mapping? |
| Imputation of Dates The visit date variable (VISDAT) can be applied to all observations for a given visit (if appropriate), or specific date and timing fields may be included for a specific observation in the body of the CRF. When the visit date is used to reflect the timing of an observation, the appropriate timing variable for that tabulation dataset may be populated with the CDASH Visit Date. | Relative timing variables |
| Collection dependent on the actual date or either being not prospectively collected or not available Mapping Relative Times from Collection to Submissions - CDASH Model 1.2 and Implementation Guide 2.2 - Wiki (cdisc.org) Collection Guidance
|
|
This is from best practices - questionnaires and prompts
...