Armin
120 lines
3.7 KiB
Markdown
120 lines
3.7 KiB
Markdown
# Data setup
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This directory exists because the public repository cannot redistribute the original raw/source files. It downloads script-accessible sources, checks user-provided source files, rebuilds model-ready inputs, and compares them with the committed files in `../data/`.
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The main estimation workflow does not run these scripts. Once the five model-ready CSVs exist in `data/`, fitting and post-estimation are Julia/Stan-only.
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The setup workflow never overwrites committed files in `data/`.
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Put raw source files in `_local/raw/` or set `PARTY2D_RAW_DATA_DIR` to another local directory. See `source_manifest.csv` and `../docs/RAW_DATA_SOURCES.md` for source-specific access notes.
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## What downloads automatically?
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`data-setup/R/01_download_sources.R` downloads source files that are script-accessible under the providers' terms and reports sources that require credentials or manual local files.
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| Source | Automatic? | Requirement |
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| --- | --- | --- |
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| PolDem | Yes | none |
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| PartyFacts crosswalk | Yes | none |
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| CHES family files | Yes | none where provider links are live |
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| POPPA | Yes | none; downloaded from Harvard Dataverse |
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| Global Party Survey 2019 | Yes | none; downloaded from Harvard Dataverse |
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| V-Party | Yes, with provider form details | set `PARTY2D_VDEM_EMAIL`; optionally set `PARTY2D_VDEM_GENDER` |
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| Manifesto Project | Yes, with credentials | set your own `MANIFESTO_API_KEY` or `PARTY2D_MANIFESTO_API_KEY` |
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| Morgan historical expert data | No | place `morgan_positions_raw.csv` locally; available on request |
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Do not commit downloaded or user-provided source files.
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Recommended local layout:
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```text
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_local/raw/
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manifesto/MPDataset_MPDS2025a.csv
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poldem/poldem-election_all.csv
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ches/...
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vparty/...
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poppa/...
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gps/...
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morgan/...
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partyfacts/partyfacts-external-parties.csv
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```
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Local output layout:
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```text
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_local/build/ # intermediate processing files
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_local/generated-inputs/ # regenerated final model-input CSVs
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_local/reports/ # comparison reports
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```
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## Commands
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Run the full source-data setup workflow with:
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```bash
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bash data-setup/run_data_setup.sh
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```
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Maintenance options:
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- `--dry-run` — check setup scripts only.
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- `--download-only` — download script-accessible sources.
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- `--build-test` — rebuild model-ready inputs from existing local sources.
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- `--compare` — compare regenerated inputs with committed `data/` inputs.
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- no option — download, rebuild, and compare locally.
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Minimal check:
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```bash
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bash data-setup/run_data_setup.sh --dry-run
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```
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Download sources:
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```bash
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bash data-setup/run_data_setup.sh --download-only
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```
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V-Party:
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```bash
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export PARTY2D_VDEM_EMAIL='you@example.org'
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export PARTY2D_VDEM_GENDER='' # blank means prefer not to say
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```
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Manifesto Project:
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```bash
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export MANIFESTO_API_KEY='...'
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# or
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export PARTY2D_MANIFESTO_API_KEY='...'
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```
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Morgan is not a public provider download. The local OCR/transcription file can be provided on request and should be placed at:
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```text
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_local/raw/morgan/morgan_positions_raw.csv
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```
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Rebuild model-ready inputs:
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```bash
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bash data-setup/run_data_setup.sh --build-test
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```
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Compare regenerated inputs:
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```bash
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bash data-setup/run_data_setup.sh --compare
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```
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Full local source test:
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```bash
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bash data-setup/run_data_setup.sh
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```
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The comparison writes `_local/reports/input_comparison.md`. Replacing committed inputs, if ever needed, is a separate manual decision and is not done by these scripts.
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Known behavior: the current public/rebuilt sources run through the workflow successfully, but regenerated `text_data.csv`, `expert.csv`, and `lr_data.csv` are not byte-identical to the committed model-ready inputs because of source-version and linkage differences. The comparison report records those differences explicitly.
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