Open Source Projects

multiyear Module

A python module for analyzing trends in Census data. It started out for personal use, and was contributed to the censusdis package in March 2025.

Covid Demographics Explorer

An app for exploring how US counties have changed since Covid-19. I spoke about this project at the San Francisco Python Meetup in June 2024.

Choroplethr

A suite of R packages for mapping demographic statistics. It has been downloaded 300k times and is the subject of three online courses

A Guide to Working with Census Data in R

I received funding from the R Consortium to create a “Working Group” dedicated to US Census data. Together we published “A Guide to Working with Census Data in R”.

Ari Lamstein

I’m a software engineer who focuses on data projects.

I most recently worked as a Staff Data Science Engineer at a marketing analytics consultancy. While there I developed internal tools for our data scientists, ran workshops on data science and mentored data scientists on software engineering.

Ari Lamstein

Open Source

Open Source Projects

multiyear Module

Covid Demographics Explorer

Choroplethr

A Guide to Working with Census Data in R

Ari Lamstein

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Ari Lamstein

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