Gavin Rozzi - Open Source
R packages on CRAN, civic technology platforms, and open source tools for data science and government transparency
About Gavin Rozzi's Open Source Work
Gavin Rozzi is a prolific open source developer with 3 packages published on CRAN, the official R package repository. His most popular package, zipcodeR, has over 10,000 monthly downloads and 49+ academic citations in leading journals.
Beyond R packages, Gavin created OPRAmachine, New Jersey's first open-source freedom of information platform, which has processed over 75,000 public records requests. His work demonstrates a commitment to building tools that serve researchers, journalists, and citizens.
R Packages on CRAN
zipcodeR
FeaturedR package for working with U.S. ZIP code data, providing an offline database of ZIP codes with demographics, coordinates, and distance calculations.
njgeo
FeaturedR client for the NJ Office of GIS geocoding API, enabling batch geocoding and address standardization for New Jersey addresses.
Civic Technology Platforms
OPRAmachine
New Jersey's first statewide freedom of information platform. Built on open-source Alaveteli software, OPRAmachine has processed 75,000+ public records requests and released 250GB of government data.
Other Open Source Projects
Technologies & Languages
R
Primary language for data science packages. Proficient in tidyverse, spatial analysis (sf), and package development.
React & TypeScript
Modern web applications for government services. Full-stack development with Next.js and Node.js.
Ruby on Rails
Civic technology platforms including OPRAmachine (Alaveteli) and TrentonTracker (Councilmatic).
GIS & Spatial
Geospatial analysis with PostGIS, QGIS, and R spatial packages for mapping and location-based applications.