Manual

Review criteria

Technical requirements:

• Submit exactly one Python function.

• The function must be self-contained and use only permitted standard/scientific modules.

• Do not use type annotations.

• The function must return an io.BytesIO object containing the output file.

• Do not make external network calls.

• Do not write to the filesystem.

• Stay within resource limits: runtime ≤ 10 minutes, memory/CPU within 2 vCPU / 8 GB, and output file ≤ 10 MB.

Disclosure requirements:

• Do not output individual-level records or values.

• Do not use MIN or MAX queries.

• Do not create scatter plots or other plots where each mark corresponds to one individual.

• Round numeric outputs to reasonable precision, e.g. 3 significant figures.

Validity requirements:

• Output must be publication-ready.

• Include only information necessary to answer the research question.

• The analysis must be relevant to the project description.