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Where People Bike and Run, Worldwide

Remember those running maps I made with limited data from RunKeeper? Strava, which also provides an app to track your runs and bike rides, has a much more expansive version of popular paths around the world.

The Upshot, a data-centric site from The New York Times launched

We heard a little bit about The Upshot last month. Now we get to see it. From editor David Leonhardt on what the site is about: One of our highest priorities will be unearthing data sets — and analyzing existing ones — in ways that illuminate and explain the news.

Music preference by region

Movoto mapped music preference for various genres, across the United States. We calculated musical taste scores using data from the National Endowment of the Arts, the Bureau of Labor Statistics, and the U.S.

How people die in America

Matthew Klein for Bloomberg View explored mortality in America through a slidedeck of charts. The animations in between each slide grows tedious, but the topics covered, going beyond just national mortality rate, are worth browsing.

Where nobody lives

We've seen the map of where everyone lives. Now here's the reverse of that by Nik Freeman: where nobody lives in the United States.

A principal component analysis step-by-step

Sebastian Raschka offers a step-by-step tutorial for a principal component analysis in Python. The main purposes of a principal component analysis are the analysis of data to identify patterns and finding patterns to reduce the dimensions of the dataset with minimal loss of information.

Analysis of Bob Ross paintings

As a lesson on conditional probability for himself, Walt Hickey watched 403 episodes of "The Joy of Painting" with Bob Ross, tagged them with keywords on what Ross painted, and examined Ross's tendencies.

Weird stacked area map thing

This chart-map-looking thing from Nightly News is making the rounds, and it's not good. I'm opening the comments below for critique so that you can release your angst.

Mapping a century of earthquakes

Earthquakes are in the news a lot lately. A quick search shows a 7.6 off the coast of the Solomon Islands, a 6.6 in Nicaragua, and a 7.1 off the southwest coast of Papua New Guinea, and this was just last week.

Five decades of warm and cold weather anomalies

This year's polar vortex churned up some global warming skeptics, but as we know, it's more useful to look at trends over significant spans of time than isolated events.

Porn views for red versus blue states

Pornhub continues their analysis of porn viewing demographics in their latest comparison of pageviews per capita between red and blue states (SFW for most, I think).

Job Board, April 2014

Looking for a job in data science, visualization, or statistics? There are openings on the board. Digital Designer, Editorial Content for Bauer Media in Central London.

Using Census survey data properly

The American Community Survey, an ongoing survey that the Census administers to millions per year, provides detailed information about how Americans live now and decades ago.

Bracket picks of the masses versus sports pundits

Stephen Pettigrew, for Regressing, compared 11 million brackets on against those of pundits.

High-detail maps with Disser

Open data consultancy Conveyal released Disser, a command-line tool to disaggregate geographic data to show more details.

Independent coffee shops and community

As part of the You Are Here project from the MIT Media Lab, an exploration of independent coffee shops in San Francisco: Independent coffee shops are positive markers of a living community.

Extract CSV data from PDF files with Tabula

Tabula, by Manuel Aristarán, came out months ago, but I've been poking at government data recently and came back to this useful piece of free software to get the data tables out of countless free-floating PDF files.

Regional macrobrews

FloatingSheep pointed their Twitter geography towards beer (and wine). From Sam Adams in New England to Yuengling in Pennsylvania to Grain Belt and Schlitz in the upper Midwest, these beers are quite clearly associated with particular places.

Fox News bar chart gets it wrong

Because Fox News. [Thanks, Meron]

Big data, same statistical challenges

Tim Harford for Financial Times on big data and how the same problems for small data still apply: The multiple-comparisons problem arises when a researcher looks at many possible patterns.