# Files for practice and reproduction

- [Raw shipment export](data/shipments_raw.csv), [clean shipments](data/shipments_clean.csv), [simulated checklist trial](data/checklist_trial.csv)
- [Data provenance notes](data/README.md), [full dictionary](DATA_DICTIONARY.md)
- [Learner calculation starter](learner_analysis.py), [public learner checker](check_learner.py)
- [Reference numerical results](outputs/reference_results.json), [chart values](outputs/chart_values.json), [sampling demonstration results](outputs/sampling_demo.json)
- [Exact computational dependencies](requirements.txt), [editorial build dependency](requirements-build.txt)
- [Reference test record](outputs/statistics_test_results.txt), [reproducibility record](outputs/data_reproducibility.json), [static package check record](outputs/package_checks.json)

The reference files contain answers. Keep your own work separate and attempt the exercises first. Source Markdown and tools are included in the extracted folder for editing; the three HTML pages are the convenient reading edition.