Open-source software &
research for civic data.

Python for NYC civic data — 311, subway accessibility, shared geography — and reproducible-research tooling for causal / econometric work that generalizes beyond the city.

Research About

by Blaise Albis-Burdige·random-walks·blaiseab.com

Toolkits

NYC civic data

311, transit, geography — shared boundaries, domain pipelines, case studies

nyc-geo-toolkitstable

pip install nyc-geo-toolkit

Shared geography foundation — boundaries, normalization, and spatial helpers

Docs PyPIv0.4.1

nyc311stable

pip install "nyc311[all]"

311 complaint analysis — SDK, CLI, and a factor-factory adapter

Docs PyPIv1.0.3

subway-accessstable

pip install "subway-access[factor-factory,tearsheets]"

NYC subway accessibility — stations, outages, and tract-level need

Docs PyPIv0.5.1

AI / ML / Data Science

Domain-agnostic: reproducible notebooks + causal / econometric engines

citeformerstable

pip install citeformer

Verifiably-cited LLM text via constrained decoding

Docs PyPIv0.3.0

rrxiv-pythonbeta

pip install "rrxiv @ git+https://github.com/random-walks/rrxiv-python.git@main"

Reference implementation of the rrxiv preprint protocol

Docsv0.1.0

factor-factorystable

pip install "factor-factory[all]"

Panel + engine framework for causal / econometric analysis

Docs PyPIv1.0.3

jellycellstable

pip install "jellycell[server]"

Plain-text notebooks with content-hashed caching

Docs PyPIv1.4.0

Featured

Rat Containerization and Complaint Volume: Did NYC's Mandatory Bin Rollout Causally Reduce Rodent Sightings?

2026-07-15/nyc311

Did NYC's trash-bin containerization reduce rats? Staggered DiD across the 2023 pilot and 2024 citywide rollout finds roughly 12 fewer 311 rat complaints per neighborhood per month, corroborated by DOHMH inspections.

Staggered DiDTWFECallaway-Sant'AnnaSun-AbrahamBorusyak-Jaravel-SpiessSynthetic ControlParallel TrendsMDE / PowerBH CorrectionMoran's IRDDfactor-factoryjellycellnyc311

Research

All

Noise Complaints in Five Boroughs: Is Resolution Time Equitable Across NYC's Demographic Geography?

Are NYC 311 noise complaints resolved equitably across demographic geography? A community-board panel finds the Bronx resolves ~65 hours faster than Manhattan, with ~91% of the gap sitting within boroughs.