As a clinical trial statistician or programmer, challenge anything in this benchmark: describe a problem in Comments, or propose a fix with the Edit button on any source file.
- Task: Would a real study need this derivation, specified this way? Does it follow CDISC ADaM: variable names, controlled terms, record structure? Flag any rule that is ambiguous or that a sponsor would handle differently.
- Inputs: Do they look like data collected in a real trial, and do they include the situations you would expect to meet in one?
- Expected output: Would independent QC programming reproduce every value from these inputs and rules?
The other tabs beside Comments are background for assessment, not under review.
Summary
README.mdGoal: show a study inheriting the whole artifact layout from the level it shares with other studies, so the list of published variables is written once rather than copied into every study.
Dataset: adsl.csv, ADSL subject-level dataset. One record per
subject.
Input: two spec files, read root-first:
spec_shared.yamlcarries what every study publishing this table must agree on: the dataset, its keys, the four columns, and the completeoutputnaming them in order;spec_study.yamlis the entry: it names the shared level as its parent and supplies only the study's own demographics file. It declares nooutput.
The chain resolves to expected/spec_resolved.yaml, the default view
in the specification dropdown.
Variables:
AGEandAGEUcarry each subject's collected age and its units from demographics, as the shared level declares them.
Note: output is inherited whole. A study that writes its own
output replaces all of it, variable list included, and an inherited
output.path names a file beside the level that wrote it. Here both
levels share one directory, so the study publishes adsl.csv beside
itself.
Inputs
Under review1 source fileinput/dm.csv
Edit3 rows| STUDYID | USUBJID | AGE | AGEU |
|---|---|---|---|
| TEST01 | 34 | YEARS | |
| TEST01 | 58 | YEARS | |
| TEST01 | 71 | YEARS |
Expected output
Under review3 expected rowsexpected/adsl.csv
Edit3 rows| STUDYID | USUBJID | AGE | AGEU |
|---|---|---|---|
| TEST01 | 34 | YEARS | |
| TEST01 | 58 | YEARS | |
| TEST01 | 71 | YEARS |
Comments and assessment materials
| Variable Name | Variable Label | Type | Length | Controlled Terms or Format | Origin | Core | Conversion Definition | Variable Type | Variable Order | Comments for Define |
|---|
| Version | Date | Author | Description | Reviewer | Sign-off |
|---|---|---|---|---|---|
| 1.3 | 2026-09-29 | yamaa docs build | Show study codelist names, external dictionaries, and ISO 8601 formats in variable rows; list the document's codelist values and metadata | ||
| 1.2 | 2026-09-29 | yamaa docs build | Classify ADaM copies from a declared input as Predecessor and recodes as Derived, and SDTM recodes of locally derived columns as Derived | ||
| 1.1 | 2026-09-29 | yamaa docs build | Resolve lookups into the donor record they select, and give every derivation shape a plain-language rule instead of its raw YAML | ||
| 1.0 | yamaa docs build | Initial generation from spec.yaml |
yamaa
Comments
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