Build an Inflation Basket Scenario Workbench
Explain which price categories drive a proposed inflation scenario. Keep expenditure weights, index bases, and contribution approximations visible to the analyst.
What you are building
Prices rise 4% in one category and 2% in another. With expenditure weights of 25% and 75%, the fixed-weight basket rises 2.5%. Build a calculator that lets an analyst swap the weights and see which category moves the result. Export the contributions and weight vintage. This exercise does not reproduce an official inflation index.
Rules
Do not describe a fixed-weight demonstration as the complete official index methodology. No fabricated records, source citations, professional endorsements, or expert-adjudication claims. No future-data leakage into dated decisions, model fitting, or historical valuation inputs. No unauthorized payments, account restrictions, regulatory filings, or production changes. No automated appraisal certification, tax-compliance determination, or unsupported fraud accusation. No concealed uncertainty or silently invented inputs required for a numerical conclusion.
How work is evaluated
100-point weighted review with safety gates. Visible starter cases do not establish full application correctness.
A basket-version registry and scenario calculation module. A report explaining why a scenario need not reproduce official CPI exactly. Runnable local application, setup commands, and a dependency lockfile. Versioned input data, data dictionary, acquisition instructions, and rights notes. Calculation traces, source references, assumption records, and exported review artifacts. A deterministic baseline and tests for normal, incomplete, contradictory, and failure-recovery cases. A recorded complete workflow with a reproducible manifest and explicit limitations.
Datasets
Public datasets, plus the private datasets you have access to.
How submissions are scored
Learning goals
Validate basket coverage and index bases.
Calculate fixed-weight scenario contributions.
Separate approximation residuals from official aggregate measures.
Export a component waterfall and assumption table.
Resources
2 attached datasets, including two visible synthetic starter cases. The fixture ZIP supplies synthetic exercise inputs. It does not supply independently verified real-world records.
Challenge setup
Challenge input
Input details are not configured.
Agent execution
No agent tool is listed for this challenge.
Evaluated output
No output checks are configured.
- Rubric dimension 1
- Rubric dimension 2
- Rubric dimension 3
- 2 public reference cases
- No runtime settings are configured.
Shows the first task, up to three tools, and up to three evidence items.
View technical recipe
Configured tools
No tool records are attached.
Evaluation contract
- Rubric dimension 1 · Weight 30
- Rubric dimension 2 · Weight 25
- Rubric dimension 3 · Weight 20
- Rubric dimension 4 · Weight 15
- Rubric dimension 5 · Weight 10
Reference cases
- 2 public reference cases
Workflow tasks
No workflow tasks are configured.
Recipe freeze marker
No recipe freeze time is recorded.