Visualizations

  • Using R, ggplot2, Plotly, and the Plotly Cloud for Analytical Applications

    Thursday, May 19, 2016 - 11:15
    In this visualization, Steve Miller from Inquidia Consulting monitors performance of the stock market in 2016 using daily index data available from Russell. The graphs track the current value of an initial $1 investment starting end of day December 31, 2015. Eighteen separate portfolios dimensioned by company size and a growth-value continuum are shown. The challenge is to provide an interpretable dashboard that includes all 18 traces in a way that can easily be compared... [more]
  • More Women in Government = Better Maternity Benefits - A Global Maternity Leave Analysis with Tableau 9

    Wednesday, July 15, 2015 - 14:30
    A look at global maternity leave policies with Tableau 9. [more]
  • How Can You Play It Safe With Fireworks On The 4th Of July?

    Wednesday, July 1, 2015 - 03:00
    A look at fireworks injury data to find out how you can have fun, but keep safe on the 4th of July. [more]
  • Data Science and NCAA Bracketology – Part 3

    Tuesday, April 8, 2014 - 08:15
    What an exciting tournament! If you’re an NCAA hoops junkie like me, you enjoyed the past 3 weeks of action. From the upsets (Mercer over Duke…seriously, Mercer?) to Cinderella stories (Go Dayton Flyers!) to buzzer beaters and clutch shots (Kentucky’s Aaron Harrison against Louisville, Michigan and Wisconsin. That’s simply insane!) , there is no better time of year to gather with family and friends and immerse yourself in the annual basketball festival that is the... [more]
  • Data Science and NCAA Bracketology – Part 2

    Monday, March 17, 2014 - 12:45
    The brackets are set. Let the madness begin! In Part 1 of this series, I introduced two methods for ranking NCAA teams: a Linear Algebra approach based on a lecture given by Tim Chartier at the Museum of Mathematic,s and a PageRank approach which I applied by reframing the entire NCAA season as a directed, weighted graph. In this blog, we'll compare these ratings approaches with the established industry rating systems of RPI , BPI... [more]
  • Data Science and NCAA Bracketology – Part 1

    Monday, March 3, 2014 - 13:15
    I want to thank Steve Miller for his assistance in the development of this blog. I frequently travel to New York City for business. Whenever I'm in town on the first Wednesday of the month, I head to the Museum of Mathematics to attend the monthly Math Encounters lecture. MoMath is a wonderful new museum in lower Manhattan that brings math to life for everyone. In January, Davidson College professor Tim Chartier presented an application... [more]
  • My Kids are Too Sweet & Too Salty

    Thursday, December 12, 2013 - 14:00
    I have spent the last three weeks monitoring my children's consumption of processed foods. I have watched, and measured, and recorded, and analyzed against recommended values. My findings startled me, and I am making some major changes in the way we eat in my home. This article focuses on the foods my kids like -- the foods that they will eat readily and without complaint. The foods I would leave with babysitters for ease and... [more]
  • Talking Turkey: How Much Do We Love Turkey?

    Tuesday, November 26, 2013 - 16:45
    Thanksgiving is right around the corner, and If you're like most Americans, you have turkey on Thanksgiving. According to the National Turkey Federation (yes, there is such a thing), a staggering 88% of Americans eat turkey on Thanksgiving. It's pretty amazing that 88% of Americans would agree to do the same of anything, so I like to think of this as something that is uniquely American, and something that strangely unites us as a country... [more]
  • When Do Turkeys Fly? Use Data to Avoid Thanksgiving Airport Logjams

    Thursday, November 21, 2013 - 09:45
    Next week is Thanksgiving and 3 million Americans will be taking to the skies to visit family. Since I can work from virtually anywhere with an internet connection, I have significant choice over when I fly. When I am flying anywhere, but particularly for Thanksgiving, I do not want to get stuck or miss a flight. Speaking from experience, spending nine hours in an airport because you missed your flight around the Thanksgiving holiday is... [more]
  • World Series Browser

    Thursday, November 7, 2013 - 15:00
    If you’re like us, the final out of the World Series is bittersweet. You enjoy watching the climactic ending of a scintillating MLB post season, but then realize that there will be no more games to watch or box scores to analyze until spring. You certainly can fill the time watching football, basketball and hockey. Or you can create a viz that lets you “watch” any World Series game in history. Start by clicking any... [more]

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