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  • Tilegrams in R

    October 13, 2016

    Topic

    Software  /  cartogram, R

    Last month Pitch Interactive launched an online tool for tiled cartograms, or tilegrams for short. Upload your state-by-state data, and it does the rest. Now you can make them in R, thanks to Bhaskar Karambelkar, since I know you’re just itching to make your own election maps.

  • All the Harry Potter spells, when they were used

    October 12, 2016

    Topic

    Statistical Visualization  /  fiction, Harry Potter

    I often stare far into the distance and ponder world’s greatest questions — like when specific spells were used in the Harry Potter books. No longer. This straightforward chart by Skyler Johnson pinpoints when each spell was explicitly said in the books and what each does.

  • Deep fried data

    October 11, 2016

    Topic

    Statistics  /  archive, machine learning, privacy

    Maciej Ceglowski, the creator of bookmarking site Pinboard, spoke at the Library of Congress a couple of weeks ago about deep-fried data.

    In our case, the deep-fryer is a toolbox of statistical techniques. The names keep changing—it used to be unsupervised learning, now it’s called big data or deep learning or AI. Next year it will be called something else. But the core ideas don’t change. You train a computer on lots of data, and it learns to recognize structure.

    These techniques are effective, but the fact that the same generic approach works across a wide range of domains should make you suspicious about how much insight it’s adding.

    And in any deep frying situation, a good question to ask is: what is this stuff being fried in?

    Deep fried food is often delicious, regardless of what’s inside the golden breading. But deep inside — or really right there in the front of our minds — we know it’s not good for us. Moderation. Or at least make sure you go to the good food stand at the carnival that uses the clean oil.

    See the talk and many others here.

  • Century of Florida hurricanes

    October 10, 2016

    Topic

    Maps  /  Florida, hurricane, weather

    Florida has seen a lot of hurricanes come and go. Lazaro Gamio for the Washington Post looks at all the hurricanes that made their way towards the state over the past 100 years.

    The thought of a hurricane freaks me out. This must be how non-Californians feel about earthquakes.

  • Doctors’ political leanings

    October 7, 2016

    Topic

    Statistical Visualization  /  medicine, politics, Upshot

    Based on data from researchers at Yale, the Upshot charts party registration by medical profession. Surgery and anesthesiology lean Republican, whereas psychiatry and infectious disease leans Democrat. As Margot Sanger-Katz notes, income between specialties likely plays a role. [Thanks, Bea]

  • Learning R Versus d3.js for Visualization

    October 7, 2016

    Topic

    Guides  /  d3js, R

    For those who work with R and d3.js, the differences between the two are obvious. But for those who are brand new to this world, the names might as well be gibberish. This quick primer is for the latter group.
    Read More

  • Hurricane Matthew en route

    October 6, 2016

    Topic

    Maps  /  hurricane, weather

    Stay safe, Florida.

  • An analysis of The Simpsons

    October 6, 2016

    Topic

    Statistics  /  television, The Simpsons

    The Simpsons is in its 27th season. That’s a lot of d’ohs. Todd W. Schneider had a look at the dialogue over the years, prominent characters, and declining ratings.

    Did I mention 27 seasons? How is that even possible?

  • Classical music visualized

    October 5, 2016

    Topic

    Data Art  /  music

    Artist Nicholas Rouguex visualized some musical scores in his project Off the Staff.

    I can’t read music but I can parse it. The talent of reading music has always escaped me which is a little ironic considering I grew up in a musical family. However, I’ve always enjoyed how sheet music looks so I took a shot at visualizing the notes from musical scores and the result is this series of posters.

    Notes were placed in a circular layout, evenly spaced. Each colored circle represents a note, and the size of the circle represents the length of the note. Colors represent instruments. Put it all together, and you get these diagrams that look like tie dye.

  • Map shows two-party presidential shifts since 1920

    October 5, 2016

    Topic

    Maps  /  election, politics

    In an update to his two-party map, political scientist David Sparks shows the evolution of the two-party system across the country, since 1920. Red and blue. Keeps on moving.

    [arve url=”https://youtu.be/I9aLRsMTk_o”]

  • Finding the biggest busts and steals from NBA drafts past

    October 4, 2016

    Topic

    Statistical Visualization  /  basketball, Polygraph, sports

    Picking basketball players for a professional team is no easy task. College and high school players picked high in the draft might end up average in the NBA, and those picked low might actually be fine professional players. Russell Goldenberg for Polygraph dives into 20 years of NBA draft picks to find the biggest busts, the biggest steals, and convergence to the mean.

  • Trending #TrumpWon didn’t start in Russia

    October 3, 2016

    Topic

    Statistics  /  election, Twitter

    After the first presidential debate, #TrumpWon was a trending topic on Twitter, which led many to believe that there were bots involved — maybe from Russia. It didn’t help that a fake map of Saint Petersburg with a bunch of bubbles on it went viral too. The real reasons for the trending hashtag are much more mundane.

  • Breaking the algorithmic black box

    October 3, 2016

    Topic

    Infographics  /  facebook, privacy

    The general public kind of knows about data privacy issues. But not really. Or they know, and they’re willing to trade for the ability to share things easily on social media.

    I liken it to people who eat hot dogs but avoid animal parts that aren’t in the shape of a steak. As long as it’s packaged right and you can’t see the bits, it must be okay. It’s similar to why people burn the American Community Survey but flip through their phone no problem.

    ProPublica aims to dig into the black box a bit in their ongoing coverage on machine bias. Most recently they released the first of a four-episode video series: Breaking the Black Box. They started with Facebook. The video is accompanied by a Chrome extension that “lets you see what Facebook says it knows about you” and more interestingly, lets you rate the items and send accuracy back to ProPublica for analysis.

    Check it out on ProPublica.

  • Traffic fatalities data for 2015 released

    September 30, 2016

    Topic

    Data Sources  /  traffic

    Each year, the National Highway Traffic Safety Administration releases data for traffic accidents that resulted in deaths. I briefly looked at the data a while back. Others did too. For years, there have been fewer deaths than the year before, but the 2015 data shows a 7.2 percent increase.

    So, the NHTSA released the data earlier this year and, along with the White House, formally reached out to the data community to analyze the data.

    DOT is aggressively seeking ways to improve safety on the roads. From our work with the auto industry to improve vehicle safety, to new solutions to behavioral challenges like drunk, drugged, distracted and drowsy driving, we know we need to find novel solutions to old challenges.

    We’re also looking to accelerate technologies that may make driving safer, including connected and highly automated vehicles.

    But we need your help, too! Data Science is a team sport.

    Yes.

  • Rise in income for the poor and middle class

    September 29, 2016

    Topic

    Infographics  /  income, Upshot

    We know that income increased by a lot in 2015, but for who? If it’s just the rich getting richer, then the rise doesn’t mean much for a lot of people, but as Quoctrung Bui for the Upshot points out, this was not the case.

    Real median incomes rose 5.2 percent in 2015 — phenomenal growth by economic standards. And 3.5 million people moved out of poverty. But more important, 2015 was encouraging to economists because of where income growth was concentrated: the poor and middle class.

    I’m not 100% sure what to call this chart type, but the going term seems to be barcode chart. Each vertical line represents a year, and each row represents an income bracket. Mouse over a bar and you see the change in income for all brackets during the corresponding year.

  • How to Visualize Proportions in R

    There are many ways to show parts of a whole. Here are quick one-liners for the more common ones.

  • Shifting Clinton and Trump support for different demographic groups

    September 28, 2016

    Topic

    Infographics  /  election, Washington Post

    Using data from their Washington Post-ABC News polling, the Washington Post compares shifting support for Clinton and Trump among several demographic groups.

    The presidential contest is often compared to a horse race, with the candidates fighting to finish in first place on Election Day. We offer a bit of a different metaphor here. The campaign is also a series of simultaneously fought tug-of-war matches for different demographic groups — based on gender, age, and race/ethnicity, among others.

    By rotating the time series to put time on the vertical and candidate lead values on the horizontal, the graphic provides a different metaphor: more left, more right, and mostly middle. I like it.

  • Food pictures taken with thermal camera

    September 27, 2016

    Topic

    Data Art  /  food, photography

    Thermal cameras, which use infrared to detect heat, provide images of temperature. Firefighters can use them to find people in smokey rooms, law enforcement can use them for surveillance, and technicians can use them to detect power faults. Brea Souders used one to take pictures of everyday foods. [via kottke]

  • Data Underload  /  health, obesity

    Mapping the Spread of Obesity

    A look at the rise for each state over three decades, for men and women.

    Read More
  • Showing missing data in line charts

    September 23, 2016

    Topic

    Design  /  d3js, missing data

    Missing data is everywhere. Or, I guess technically it’s nowhere. You know what I mean. Missing data is common, especially with temporal data over long periods of time. Just look at country-level estimates for anything over ten years, and you’ll understand. Peter Beshai for Bocoup provides five solutions for line charts with missing data, using d3.js.

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