Sam Petulla

Data scientist

👋 I am a data scientist for WarnerMedia at CNN. In my past life, I was an editor at CNN Politics and NBC News.

This is a sample of my public portfolio. I've taught and spoken about D3.js, analytics and regression and statistics.

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