{
  "schemaVersion": 1,
  "dataset": "Does a Planned City Age Gracefully?",
  "publicationDate": "2026-08-27",
  "sourceSnapshotDate": "2026-08-27",
  "sourcePackage": {
    "file": "Does_a_Planned_City_Age_Gracefully_LinkedIn_Package.zip",
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    "manifestSha256": "3e8e4c8c58b580bba747e757e45bffbce8b17c5657ee2d8ac73aadcc9249259b",
    "tracked": false
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  "sourceBoundary": {
    "status": "derived-publication-package",
    "rawInputsPresent": false,
    "statement": "The reviewed package contains derived figure tables, analysis code, methodology, and source notes, but not the raw GIS and statistical inputs required to rerun the upstream geospatial allocation.",
    "reproducibleFromRepository": "Verification of the eight selected package tables; corrected four-wave assignment; descriptive summaries; HC3 models; influence diagnostics; specification and leave-one-estate-out sensitivity; public JSON and manifest generation.",
    "notReproducibleFromRepository": "Downloading, parsing, intersecting, or reallocating the underlying Statistics Poland, Tychy municipal, and OpenStreetMap geospatial sources."
  },
  "corrections": [
    "The package encoded G and H as two distinct ordinal era levels. Publication analysis combines both as one transition wave, yielding four levels with estate counts 2, 4, 2, and 12.",
    "The package's figure-14 model output is excluded. All publication model results are regenerated from figure-01.csv using the corrected four-wave mapping.",
    "Model coefficients are reported as percentage-point outcome changes per one-standard-deviation increase in the wave index; all controls are standardised within each estimation sample."
  ],
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  ],
  "transformations": {
    "population": "The upstream package preserves 1 km age totals, allocates them within each cell using 125 m population weights, and splits boundary-crossing cells by exact area.",
    "proximity": "The daily basket requires bus within 400 m, grocery and pharmacy within 600 m, and doctor, clinic, or hospital within 800 m; all distances are Euclidean.",
    "model": "Both percentage outcomes are regressed on a corrected four-level planning-wave index, density, mapped green per resident, functional-mix entropy, and senior bus proximity. Predictors are standardised within each sample; intervals use HC3 standard errors.",
    "sensitivity": "Five predeclared control sets are crossed with four samples. The baseline is also re-estimated twenty times, omitting one estate at a time.",
    "provenance": "The reviewed package contains derived figure tables, analysis code, methodology, and source notes, but not the raw GIS and statistical inputs required to rerun the upstream geospatial allocation."
  },
  "outputs": [
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      "bytes": 131227,
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}
