Sam Petulla

Machine learning

👋 I am a machine learning engineer working for The Brown Institute at Columbia University. Previously, I was a data scientist at WarnerMedia and a politics editor and engineer at CNN and NBC News.

Find some of my projects and writing below.

Data science explorables


D3-color modules and methods

Readroper ASCII polling R package (on CRAN)

Awesome visualization research

Graphics stories

CNN 2018 Forecast

Geography of Poverty (through nw chapter)

United States of Trump

Congressional Retirements Tracker