yamaa As a clinical trial statistician or programmer, answer two short questions in Your review: the task and the inputs. Agreeing with both approves this benchmark; disagreeing with either needs a comment. Propose a fix with the Edit button on any source file, or add it to your comments.
We suggest spending no more than 5 minutes on a review. The other tabs beside Your review are background for assessment, not under review.
Summary
EditUnder reviewWhat this benchmark meansREADME.mdPublic entries: Python and R. Passing coverage requires an installed inventory.
Goal: turn each reported BMI-for-age percentile into its z-score, the
standard normal deviate below which that percentage of the population
falls, held in AVAL.
Input: reported BMI-for-age percentiles with one record per subject and visit, one of them reported as 100.
Variables:
PARAMCD:BMIZ, the BMI-for-age z-score.AVALwould be the z-score of the reported percentile, and blank when the percentile is blank. A percentile of 100, like one of 0, has no finite z-score, so the run fails while the values are computed and no artifact is accepted.
How to fix
A percentile reported as 100 or 0 is usually a rounded one: the z-score it came from was finite, and the rounding lost it. Prefer deriving the z-score from the measurement and its growth reference, as the percentile itself was derived. If only the percentile is available, state that a percentile at either bound gives no z-score:
derivation:
case:
- when: "PCTL > 0 AND PCTL < 100"
then: "NORM_INV(PCTL / 100)"
- otherwise: null
Do not move a bound to an unstated nearby percentile.
Expected failure
Editthe run is rejected; no artifact is acceptedexpected/error.yaml- phase
- derivation
- condition
- invalid_probability
- rule
- FORMULA-15
expected/error.yaml
phase: derivation
condition: invalid_probability
spec_paths:
- columns.AVAL.derivation
rule: FORMULA-15
context:
expr: "NORM_INV(PCTL / 100)"
function: NORM_INV
value: 1.0
keys:
- STUDYID: YAMAA-01
USUBJID: YAMAA-01-303
PARAMCD: BMIZ
AVISIT: MONTH 12
Inputs
Under review1 source fileinput/pctl.csv
Edit4 rows| STUDYID | USUBJID | AVISIT | PCTL |
|---|---|---|---|
| YAMAA-01 | MONTH 12 | 50 | |
| YAMAA-01 | MONTH 12 | 97.5 | |
| YAMAA-01 | MONTH 12 | 100 | |
| YAMAA-01 | MONTH 12 | — |
Unexpected Output
Under reviewNo artifact is producedNo fixture files in this directory.
Human review and assessment
| Dataset Name | Variable Name | Variable Label | Type | Codelist/Controlled Terms | Core | Computational Method | Origin |
|---|---|---|---|---|---|---|---|
| ADVS | STUDYID | Study Identifier | character | Copy value from RAW.STUDYID. | Predecessor | ||
| ADVS | USUBJID | Unique Subject Identifier | character | Copy value from RAW.USUBJID. | Predecessor | ||
| ADVS | PARAMCD | Parameter Code | character | Set constant value "BMIZ". | Assigned | ||
| ADVS | AVISIT | Analysis Visit | character | Copy value from RAW.AVISIT. | Predecessor | ||
| ADVS | AVAL | Analysis Value | numeric | Compute NORM_INV(PCTL / 100). | Derived |
| Version | Date | Author | Description | Reviewer | Sign-off |
|---|---|---|---|---|---|
| 1.7 | 2026-10-20 | yamaa docs build | Read a specification in the 1.0 surface as its 0.5 counterpart; state that missing values stay missing where a mapping declares no missing handler, and leave out a declared missing answer that restates a handler's default | ||
| 1.6 | 2026-10-17 | yamaa docs build | Describe collected date parts written as ISO 8601 date text and times of day counted in seconds since midnight | ||
| 1.5 | 2026-10-17 | yamaa docs build | Name collected precision in words instead of letter codes; state imputation fallbacks, minimum source precision, bounds ignored outside the collected period, and invalid text with no handler as an error; describe date and datetime shifts, imputation flag codes, and partial text giving no date part | ||
| 1.4 | 2026-10-15 | yamaa docs build | State datetime precision codes through the hour and minute, and complete only the time parts a collected datetime lacks | ||
| 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 |