source,scope,local_path,access,automatic_download,notes
Manifesto Project,manifesto text/coding,manifesto/MPDataset_MPDS2025a.csv,API key/login required,yes with MANIFESTO_API_KEY,Use the MPDS 2025a CSV export; raw file is not redistributed.
PolDem Election Campaigns,media campaign issue statements,poldem/poldem-election_all.csv,public download,yes,CSV URL https://poldem.eui.eu/downloads/cosa/poldem-election_all.csv; observed sha256 2cd8c9108b1b0b9c1b6594bb21acee709c70259cd02f450bc69fc09b505fc9fb.
CHES 1999-2019,expert party placements,ches/1999-2019_CHES_dataset_means(v3).csv,public archived download,yes,Downloaded from archived CHES URL at chesdata.eu.
CHES 2024,expert party placements,ches/CHES_2024_final_v2.csv,CHES terms,no,Requires matching expert-level file for expert counts.
CHES 2024 expert level,expert counts,ches/CHES_2024_expert_level.csv,CHES terms,no,Required for expert counts.
CHES Canada 2023 aggregate,expert party placements,ches/CHES_CA2023.csv,CHES terms,no,Required for Canada extension.
CHES Canada 2023,expert party placements,ches/CHES_CA2023_expert_level.csv,CHES terms,no,Used by expert-source processing where available.
CHES Latin America aggregate,expert party placements,ches/ches_la_2020_aggregate_level_v01.csv,CHES terms,no,Required for Latin America extension.
CHES Latin America 2020,expert party placements,ches/CHES_LA2020_expert_level.csv,CHES terms,no,Used by expert-source processing where available.
CHES Israel aggregate,expert party placements,ches/CHES_ISRAEL_means_2021_2022.csv,CHES terms,no,Required for Israel extension.
CHES Israel,expert party placements,ches/CHES_IL_expert_level.csv,CHES terms,no,Used by expert-source processing where available.
V-Party,expert-coded party variables,vparty/V-Dem-CPD-Party-V2.rds,V-Dem form terms,yes with PARTY2D_VDEM_EMAIL,Downloader submits provider form and extracts R data from ZIP.
POPPA,expert party placements,poppa/poppa_integrated_v2.rds,public Dataverse,yes,Downloaded from Harvard Dataverse DOI 10.7910/DVN/RMQREQ.
Global Party Survey 2019,expert party placements,gps/Global Party Survey by Party SPSS V2_1_Apr_2020-2.tab,public Dataverse,yes,Downloaded from Harvard Dataverse DOI 10.7910/DVN/WMGTNS.
Morgan historical expert data,historical left-right placements,morgan/morgan_positions_raw.csv,derived local transcription/no redistribution,no public URL,Local OCR/transcription source used for historical anchoring.
PartyFacts crosswalk,party ID harmonization,partyfacts/partyfacts-external-parties.csv,public download,yes,Support crosswalk required by source-processing scripts.
