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  • Mathematics of love

    March 11, 2015

    Topic

    Statistics  /  dating, Hannah Fry, lunch talk

    Mathematician Hannah Fry talks about love in terms of three “mathematically verifiable” tips: how to win at online dating, when to marry, and how to avoid divorce.
    Read More

  • Multi-layered storytelling with visualization

    March 11, 2015

    Topic

    Design  /  Accurat, storytelling

    Quick and simple. It is a common theme in visualization that preaches clarity in as little time as possible, and it is certainly applicable in a variety of places. But is there a place for complexity in visualization that encourages people to carefully read what the data is about? Giorgia Lupi, design director at Accurat, thinks so.
    Read More

  • Decline of workers’ compensation

    March 10, 2015

    Topic

    Infographics  /  ProPublica, Workers' Comp

    Workers’ Compensation, a promise to pay medical bills and some of your wages if you’re injured on the job, has been been on the decline over the past decade. ProPublica shows the changes from several angles — state reforms, cost to the employer, and employee compensation — with three interactive graphics.
    Read More

  • Algorithmic search for a girlfriend

    March 10, 2015

    Topic

    Statistics  /  bot, dating

    Sharif Corinaldi moved from New York to Berkeley for graduate school and was in search of a mate. However, after a bit of non-success with online dating sites, he figured a 0.0025 percent chance of finding a match, which meant about 400 messages sent before any success. So, he built a bot to browse and search for him. He accidentally left it running one night.
    Read More

  • Girl Scout cookies differ by region

    March 9, 2015

    Topic

    Maps  /  cookies, Girl Scouts

    The Girl Scouts, known for their annual cookie sales, uses two bakers. These two bakers make similar but different cookies, so Thin Mints in one area of the United States might not be the same as another. Gasp.
    Read More

  • On Broadway shows city life through data cross-sections

    March 9, 2015

    Topic

    Data Art  /  Instagram, New York, photos

    On Broadway, by Daniel Goddemeyer, Moritz Stefaner, Dominikus Baur, and Lev Manovich, provides a slice-by-slice view of the street that goes through Manhattan. Instead of a map like you might expect from such a project, the piece uses “a visually rich image-centric interface, where numbers play only a secondary role.”
    Read More

  • Face sculptures using DNA from chewed gum

    March 6, 2015

    Topic

    Data Art  /  DNA, privacy

    In her 2012 piece Stranger Visions, Heather Dewey-Hagborg used DNA found in public left in chewed gum, cigarette butts, and hair to construct estimated face busts.
    Read More

  • Dater’s Index

    March 6, 2015

    Topic

    Miscellaneous  /  dating, humor

    By Emily McDowell, this recounting of dates initiated by the internet is funny. Fittingly posted on Valentine’s Day, a sample:

    Estimated percentage of profiles containing the description “fun-loving”: 80

    Estimated percentage of people who do not actually love fun: 0

    Estimated percentage of single people in Los Angeles who both work and play hard: 85

    Estimated number of times I rewrote my profile: 7

    Estimated number of times I wore the same dress on first dates: 28

    Estimated number of times I switched my own “body type” check box: 12

  • DNA face estimation

    March 6, 2015

    Topic

    Statistics  /  DNA, face

    DNA faceParabon NanoLabs is working on a service that provides face estimates using DNA found at crime scenes. Pretty cool.

    But, before anyone gets too excited, keep in mind that the estimates are still really rough.

    Greytak agrees Snapshot is not super-precise, nor is the science ready for it to be. “Our goal is not to produce a profile that is perfectly accurate and there is only one person you’ve ever seen who could match that profile,” she says. “Really our goal is to produce something that will look similar enough to a person that it will jog a memory and, at the same time, make it clear which people it is not.”

    There was an art project a few years ago that was something like this. The artist used DNA in gum and hair that she found in public spaces, and I could’ve sworn I shared it. Anyone know what I’m talking about? Update: It was Stranger Visions. (Thanks, Thomas.)

  • Best time to visit DMV

    March 5, 2015

    Topic

    Statistical Visualization  /  DMV, lines

    I think there are people who still go to the Department of Motor Vehicles without an appointment. Because who doesn’t like a good session of waiting in line? Lucky for you, Gene Ekster put together a simple time series that shows the average wait time throughout the day.
    Read More

  • R site updated

    March 5, 2015

    Topic

    Software  /  R

    The R site has a new face. It looked dated for years — maybe decades — so I’m glad it got a refresh (with further updates in the coming months I assume). I felt like the old look was such a turn off that I had to reassure newcomers that even though the site looks like crap, the computing language itself is in fact not crap.
    Read More

  • How to Make and Use Bar Charts in R

    The chart type seems simple enough, but there sure are a lot of bad ones out there. Get yourself out of default mode.

  • Probably not a heat map

    March 4, 2015

    Topic

    Maps  /  heatmap

    Simpsons dot mapA heat map is a grid of numbers colored by value. I wrote a quick tutorial on how to make the now common statistical visualization. But at some point in the past few years, a heat map came to mean a geographic map with stuff on it. Cartographer Kenneth Field explains what these maps with stuff on it actually are and provides you with the “more established, more accurate and perfectly good terms.”

    Extra point for incorporating The Simpsons:

    Heat maps have become a popularist way to label a surface representation of data that occurs at discrete points. On one hand the search for a better way of showing point based data which avoids death by push-pin is a sound cartographic approach. Imagine simply looking at a map of points and trying to make sense of the patterns. Chief Clarence ‘Clancy’ Wiggum would certainly struggle to make sense of the pattern of crime in Springfield just from coloured dots.

  • Data Underload  /  Jeopardy

    Where to Find Jeopardy! Daily Doubles

    Placement of Daily Double clues, from season 1 to 31. Watch them play out.

    Read More
  • Madden ratings formula

    March 2, 2015

    Topic

    Statistics  /  gaming, Madden, sports

    In football video game Madden, NFL players are scored based on skill, which determines how they play in the game. Neil Paine, with graphics by Reuben Fischer-Baum, describes more than you ever thought you wanted to know about the scoring process in an in-depth look for FiveThirtyEight. At the heart of the process is Donny Moore, who is in charged of most of the (subjective) number assignments.
    Read More

  • rvest: R package to scrape web data

    March 2, 2015

    Topic

    Software  /  R

    Inspired by the Python libraries RoboBrowser and BeautifulSoup, the rvest package by Hadley Wickham helps you scrape web data via R in a similar way.

    Parse tables into data frames, navigate around a website, and of course, extract bits from a page. I’ll stick to BeautifulSoup, but I’m saving this for later. I’m sure it’ll come in handy sooner rather than later.

  • Spreadsheets for life

    February 27, 2015

    Topic

    Software  /  Excel, Planet Money, spreadsheet

    Planet Money goes back to a 1984 article by Steven Levy that discusses this new thing called a spreadsheet. It was taking the place of the paper version that accountants manually edited, added to, and taped together.
    Read More

  • Texas hold ’em win probabilities

    February 27, 2015

    Topic

    Statistical Visualization  /  gambling, poker

    Software engineer Chris Beaumont visualized the strength of opponent hands in Texas hold ’em, given any other hand. This is based on counting about 1.3 trillion possible combinations.
    Read More

  • Gambler’s perspective on sports team win probabilities

    February 26, 2015

    Topic

    Statistical Visualization  /  gambling, sports

    Michael Beuoy’s win probability model plotted on FiveThirtyEight starts all NBA teams at a 50% chance of winning. Then the probability of winning a game increases and decreases from there. However, practically speaking, we know something about the teams before each game, and we don’t give even chances to the worst and best team at the zero-minute mark.

    So Todd Schneider took a different approach to minute-by-minute win probability — from a gambling perspective. Each line in the time series starts closer to the end probability as gamblers wager based on what they think the final outcome will be.
    Read More

  • Every NBA team’s chances of winning, by game minute

    February 26, 2015

    Topic

    Statistical Visualization  /  basketball, FiveThirtyEight

    Michael Beuoy made a win probability model for NBA teams and games, based on play-by-play data from 2000 to 2012. The basic calculator lets you punch in the game state, such as time left and the score difference, and it spits out the probability of a win.

    Or, for a team-centric view, you can see the chart from Beuoy and Allison McCann for FiveThirtyEight, which plots the average probability using the same model. Steady rise means a steady pull towards a win, whereas spikes and steeper, positive slopes mean a tendency towards scoring spurts.

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