« Know your data 20: trust and distrust in our surveillance society | Main | Inside joke for data analysts (via Gelman) »


Feed You can follow this conversation by subscribing to the comment feed for this post.


did that one student give reasons why he/she thought it was a waste of time?

Xan Gregg

For comparison to the map, I did a funnel plot of similar data last year, trying to account for the small samples in some counties.


Using ZIP3 should help with the sampling, but doesn't help as much as I would expect with the shape size issue (San Francisco's 940xx is still too small to see until you zoom in). And the speckled look in Iowa comes from discontiguous ZIP3s, forcing a pattern that probably doesn't exist.

The comments to this entry are closed.

Get new posts by email:
Kaiser Fung. Business analytics and data visualization expert. Author and Speaker.
Visit my website. Follow my Twitter. See my articles at Daily Beast, 538, HBR, Wired.

See my Youtube and Flickr.


  • only in Big Data
Numbers Rule Your World:
Amazon - Barnes&Noble

Amazon - Barnes&Noble

Junk Charts Blog

Link to junkcharts

Graphics design by Amanda Lee

Next Events

Jan: 10 NYPL Data Science Careers Talk, New York, NY

Past Events

Aug: 15 NYPL Analytics Resume Review Workshop, New York, NY

Apr: 2 Data Visualization Seminar, Pasadena, CA

Mar: 30 ASA DataFest, New York, NY

See more here

Principal Analytics Prep

Link to Principal Analytics Prep