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map of taxi locations

Big Data - NYC Taxi Cab Trips

with an antidote for "anecdata"

This is a nice example of a big data analysis based on anonymized geo-referenced data. There are links to the data, published papers using similar data and a piece on separating data privacy facts from folklore.

Data Services (DS)

We help researchers at the Population Studies Center acquire, verify, maintain, improve, distribute, and preserve data.

  • DS maintains a data catalog of data files and documentation for research in population studies.
  • DS responds to common questions on using and manipulating data.
  • DS assists PSC researchers seeking to use restricted data.
  • DS provides a collection of resources that includes external datasets, data tools, and instructional materials.
  • DS offers suppport for researchers using Census and ACS data.
  • DS helps researchers with geographic resources for various datasets.

Restricted Data

Data Services helps researchers access, acquire, and use contractual data in a secure environment.


We provide support for data manipulation, geographic cross-walks, details on census operations and procedures.


The ACS is the replacement for the census long-form. We can help you move from the census to the ACS.


Check out our new page on geographic resources!