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Statistical Visualization

Chess piece survival rates

On Quora, someone asked, "What are the chances of survival of individual chess pieces in average games?" Oliver Brennan answered by looking at the moves from 2.2 million games. The…

Affordable Care Act progress report

The New York Times takes a data-centric look at the progress of the Affordable Health Care Act here in the United States. It's a team effort seven-parter describing changes in…

Curse of dimensionality, interactive demo

Jeff Leek was trying to explain the curse of dimensionality and realized that there had to be a better way! Leek's student Prasad Patil cooked up an interactive to demonstrate…

Household incomes rise

Since the recession, it's taken a while for household incomes to come back to where they were in 2009. In most parts of the country, incomes are still lower, however,…

PhD gender gaps around the world

Periscopic, for Scientific American, visualized the number of PhDs awarded in various countries. You might expect men to be in high percentages and women to be in low, but it's…

Search for word usage in movies and television over time

Movies and television shows often reflect cultural trends of the time they are made in. Even movies that take place during the past or future can say something about the…

Probabilities of failing birth control methods

In high school health class, where I learned about contraceptives and the dangers of pre-marital sex, my teacher spouted rates to scare. He would say something like condoms are 98…

When people work, by job category

In another use of data from the American Time Use Survey, Planet Money looks specifically at the hours people work, separated by twenty job categories. Each density area represents a…

Finding small villages in big cities

Daily life in cities tends to differ from daily life in small towns, especially by who we interact with. The MIT Senseable City Lab and the Santa Fe Institute studied…

When the world sleeps

An additional hour of sleep can make a huge difference in how you feel the next day (especially when you have kids). It's the ability to concentrate for long periods…

A decade of Yelp review trends

Yelp released an amusing tool that lets you see how the use of word in reviews has changed over the site's decade of existence. From food trends to popular slang…

Spiky betting odds during LeBron James decision

LeBron James decided to head back to Cleveland, so naturally the odds that they win the championship went up. Todd Schneider charted the betting odds as the announcement happened to…

How much underwear to bring on a trip

Packing underwear for a short trip is easy. You just pack a pair for each day you're away. However, longer trips require extra planning. Pack a pair for every day,…

FoamTree: Visualize hierarchical data with a lot of groups

For small-ish amounts of hierarchical data, most JavaScript libraries can handle the load. However, it gets tricky when you get into hundreds and thousands of levels and groups. FoamTree is…

xkcd: Dominant players in chess and basketball

I'm pretty sure xkcd is the only one who gets away with showing player ratings for both basketball and chess players in the same frame, without the y-axis labels. And…

Birth year and political leanings

A statistical model, from Yair Ghitza of Catalist and Andrew Gelman of Columbia University, estimates when people form their political preferences. The analysis uses presidential approval ratings from Gallup to…

Drone crash database

Based on data compiled from a combination of military records, Defense Department records, and drone manufacturers, Emily Chow, Alberto Cuadra and Craig Whitlock for the Washington Post provide a quick…

Percentage of degrees conferred to men, by major

Based on estimates from the National Center for Education Statistics, Randy Olson plotted the percentage of bachelor degrees conferred to men in the United States, by major. Start your eyes…

Employment-to-population ratios

The Upshot posted an interesting chart that shows changing employment rate by state. It shows that the economy is improving. Employment rates have climbed above the post-recession nadir in every…

A visual analysis of the Boston subway system

For a graduate project, Michael Barry and Brian Card explored the Boston subway system through a set of annotated interactives that show train routes, usage, and scheduling. Through publicly available…

NFL players getting bigger

Football players are getting bigger. Noah Veltman, a developer for the WNYC Data News team, shows by how much through an animated heatmap. Scrub the slider back and forth quickly…

A decade of college degrees

North by Northwestern looked closer at degrees awarded by their university over the past decade. Simply enter a degree to see the trend. As the makers note, the number of…