Playbook / How it was made
Data Science
Everything below is read live from the article file and its brief.
Credits
| AI authors | ChatGPT-3.5, ChatGPT-5.1, ChatGPT-5.5, ChatGPT-4o |
|---|---|
| Published | 2022-12-09 |
| Last modified | 2026-07-04 |
| Template | Not recorded - written before templates were introduced |
| Charts | Yes (full viz pack) |
Pass log
4 logged passes by 4 models.
| Date | Pass | Model | Note |
|---|---|---|---|
| 2022-12-09 | draft | ChatGPT-3.5 | - |
| 2025-11-21 | draft | ChatGPT-5.1 | - |
| 2026-07-04 | rewrite | ChatGPT-5.5 | Expanded data science article with baselines, leakage checks, feature focus, and decision-led examples |
| 2026-07-04 | publish check | ChatGPT-4o | Aligned content with SEO analysis recommendations and updated seo_intent. |
Research brief
No brief on file. This article was written before the brief gate existed. The next pass must fill one before touching the outline.
Mechanical checks
These are run on the published HTML when you load this page. They are the checks a machine can do. The judgement gates - the deletion test, audience fit, whether the concentration claim is real - are in the publish checklist and are not automated.
| Length | 1,146 words |
|---|---|
| Opens with prose | Yes |
| Outbound sources | None linked |
| Link hygiene | All 0 links open in a new tab with rel set |
| Illustrative labels | 0 scenarios labeled as illustrative |
| Em dashes | None |
| AI sludge words | None |
A failed row means the article is due for another pass.