Open-source software &
research for civic data.
Python toolkits, case studies, and spatial analysis for NYC — 311 complaints, subway accessibility, and reusable geography helpers.
Featured
Assessing ADA Accessibility Gaps in the NYC Subway System
A tract-level spatial equity analysis of ADA accessibility across all five NYC boroughs. Of 493 active stations, only 157 (31.8%) are ADA-accessible, leaving 4.7 million New Yorkers without an accessible station within walking distance.
Spatial AnalysisDifference-in-DifferencesElevator ReliabilityACS DemographicsPySAL
Research
AllRat Containerization Policy Evaluation
Applying the full nyc311 causal inference toolkit to evaluate NYC's 2024 rat containerization mandate using 81,467 real rodent complaints. The causal evidence is mixed: synthetic control suggests a modest reduction, but staggered DiD finds a reporting-awareness surge.
/nyc311
Resolution Equity in NYC 311 Service Delivery
Analyzing 1 million NYC 311 service requests to quantify disparities in resolution times across community districts. Between-borough differences explain 73.7% of inequality, with Staten Island districts as the largest outliers.
/nyc311
