yamaa 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 standards: 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
EditUnder reviewWhat this benchmark meansREADME.mdGoal: fix the order of the output rows: two sort terms, a placement for missing values set apart from the sort direction, and a stable order for ties.
Input: one spec.yaml over one adverse-event dataset AE,
stored out of order, carrying subject, sequence number, decoded term
(AEDECOD, copied through unchanged), and analysis start day
(AESTDY), which may be missing.
Order:
- first by analysis start day (
AESTDY), ascending, with missing days placed before every present day; - then, among rows on the same day or both missing a day, by
sequence number (
AESEQ), descending.
Note: missing values go where the order places them, first or last, whatever its direction, so an ascending sort can still put missing days first. Rows equal on both terms keep their input order.
Inputs
Under review1 source fileinput/ae.csv
Edit8 rows| USUBJID | AESEQ | AEDECOD | AESTDY |
|---|---|---|---|
| 3 | Nausea | 5 | |
| 1 | Rash | 7 | |
| 1 | Headache | — | |
| 1 | Hives | 7 | |
| 2 | Nausea | 5 | |
| 1 | Fatigue | 3 | |
| 2 | Dizziness | — | |
| 4 | Vomiting | 1 |
Expected output
Under review8 expected rowsexpected/adae.csv
Edit8 rows| STUDYID | USUBJID | AESEQ | AEDECOD | AESTDY |
|---|---|---|---|---|
| YAMAA-01 | 2 | Dizziness | — | |
| YAMAA-01 | 1 | Headache | — | |
| YAMAA-01 | 4 | Vomiting | 1 | |
| YAMAA-01 | 1 | Fatigue | 3 | |
| YAMAA-01 | 3 | Nausea | 5 | |
| YAMAA-01 | 2 | Nausea | 5 | |
| YAMAA-01 | 1 | Rash | 7 | |
| YAMAA-01 | 1 | Hives | 7 |
Comments and assessment materials
| Dataset Name | Variable Name | Variable Label | Type | Codelist/Controlled Terms | Core | Computational Method | Origin |
|---|---|---|---|---|---|---|---|
| ADAE | STUDYID | Study Identifier | character | Set constant value "YAMAA-01". | Assigned | ||
| ADAE | USUBJID | Unique Subject Identifier | character | Copy value from AE.USUBJID. | Predecessor | ||
| ADAE | AESEQ | Adverse Event Sequence Number | numeric | Copy value from AE.AESEQ. | Predecessor | ||
| ADAE | AEDECOD | Dictionary-Derived Term | character | Copy value from AE.AEDECOD. | Predecessor | ||
| ADAE | AESTDY | Analysis Start Relative Day | numeric | Copy value from AE.AESTDY. | Predecessor |
| 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 |
Comments
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