inflation_history: delete the local copies, now that the site is published - #825
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…ished Phase 2 of the repoint set opened in #824. That PR moved the URLs and deliberately KEPT these two files, because this series publishes on a tag rather than on push to main -- so the already-published notebooks were still fetching them, and deleting in the same PR would have 404'd every reader who downloaded or opened the lecture in Colab. publish-2026aug06b has since built main, so the live notebooks now read from data-lectures and nothing points at these copies in either repo. Verified before deleting: zero references remain here, and lecture-wasm -- which used to fetch this repo's copies by URL -- references neither file since #53. The two-phase split is repoint rule 3 in QuantEcon/data-lectures. It exists because set 1 skipped it: mpd2020.xlsx was deleted in its repoint PR and the notebook at intro.quantecon.org returned 404 until a publish was tagged. Rendered HTML was fine throughout -- figures are baked at build time -- so nothing reported the breakage. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Gate cleared —
|
| Check | Result |
|---|---|
Live notebook references to this repo's lectures/datasets/ |
zero |
| Live notebook now reads | data-lectures/raw/main/lectures/{longprices.xls,chapter_3.xlsx} |
The {download} link for chapter_3.xlsx |
also moved to data-lectures |
| Both served URLs | 200, sha256 matching their manifests |
So nothing — in this repo, in lecture-wasm, or on the published site — points at the two files this PR deletes. That is the condition repoint rule 3 exists to establish, and it is now true.
Marked ready. Merging takes the data-lectures orphan count 34 → 32 and closes set 2 of three for the Track A intro statics.
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This was referenced Aug 6, 2026
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Draft until
publish-2026aug06bfinishes deploying. Phase 2 of the repoint set opened in #824.Why this is a separate PR
#824 moved
inflation_history's URLs todata-lecturesand deliberately kept these two files. This series publishes on apublish*tag, not on push tomain, so at the moment #824 merged the already-published notebooks were still fetchinglectures/datasets/chapter_3.xlsxandlongprices.xlsfrom this repo. Deleting them in the same PR would have 404'd every reader who downloaded the lecture or opened it in Colab, until someone happened to tag a publish.That is not a hypothetical — it is what happened to set 1.
mpd2020.xlsxwas deleted in its repoint PR (#823), and the notebook atintro.quantecon.orgreturned 404 untilpublish-2026aug06was tagged. The rendered HTML was fine throughout, because figures are baked at build time, so nothing reported it: not this repo's CI, not the data repo's audit, not a link checker over the live site.The rule is written up as repoint rule 3 in QuantEcon/data-lectures, and QuantEcon/workspace-lectures#22 carries the general version for any coordinated change across the lecture repos.
Safety checks before deleting
lecture-wasmreferences (it used to fetch these by URL)data-lectures, oncepublish-2026aug06blandsBoth files remain recoverable from git history, and their content is permanently available at
data-lectureswith a manifest recording source, licence, schema and provenance — which is more than this repo ever held for them.Effect upstream
Orphan count in the data-lectures audit drops 34 → 32. No tracker change is needed:
migration.ymlalready records both datasets asrepointed(QuantEcon/data-lectures#43), since that status tracks what the lectures read, which changed in #824 and is unaffected by this cleanup.Closes out set 2 of three for the Track A intro statics.