Mapping Vehicle Commuters in New York City

Because many good things come in threes, I thought I’d round out this series of posts (looking at subways and bus commuters) on commuting trends in New York City with a look at vehicle commuters with this map: As before, this uses data from the US Census Bureau 2009-2013 American Community Survey 5-Year Estimates. It’s […]

Mapping NYCT Bus Transit Sheds

Alon Levy left a comment on my post earlier today about NYCT Subway transit sheds asking about bus travel. The code I’d written to access the Census API was easy to customize and I just swapped out the subway trips for bus to get this map: As I mentioned in my previous post, relatively few people on […]

Mapping the NYC Subway Transit Sheds

I’ve been fascinated with the idea of a transit shed since I first encountered it studying the transit system in New York City. The idea is similar to a watershed, the area drained by a particular river. Public transit lines are like rivers of people, feeding them into the great reservoirs of jobs all around […]

Hadoop Lessons

I recently completed a very interesting class focusing mainly on learning the Hadoop framework, as well as general principles of distributed algorithm design and analysis. It was a nice balance between theory and practice, although most of the theory was in the classroom and the practice was on our own for the assignments. By the […]

Census, sample, survey, tract, block, ZIP code – a primer

This is part of a series of posts I’m doing on Census Bureau Demographic Data for Developers based on my experience creating a database of Census Data as part of my summer internship at Patch.com.   It’s important to know what one means when they say the Census. There is the United States Census Bureau that conducts the […]

Census Bureau Demographic Data for Developers

This is part of a series of posts I’m doing on Census Bureau Demographic Data for Developers based on my experience creating a database of Census Data as part of my summer internship at Patch.com.   “We need Census data!” -Every sales manager, everywhere Most people asking for Census data, especially in the technology industry don’t really know […]