Category Archives: Tableau

Chicago Crime Scene

I lived in Chicago in the early 90s. I loved the city, the hustle and bustle, grandiose architecture, busy urban streets, and its bold location on the shores of Lake Michigan. I also felt quite safe there, living in the Far North Side neighborhood of Jefferson Park. I knew that there were parts of the […]

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What is morally acceptable? It depends where you live.

In 2013, the Pew Research Global Attitudes Project asked over 40,000 respondents in 40 countries about their opinions on eight topics generally considered to be moral issues: Abortion Divorce Drinking alcohol Extramarital affair Gambling Homosexuality Sex between unmarried adults, and Use of contraceptives Respondents indicated their sentiment about each issue by choosing one of the […]

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The Militarization of Police in the US

At the end of August, US president Barack Obama ordered a review of federal programs that enable local and state law enforcement agencies to receive or purchase military equipment. This decision was prompted by the unsettling images of heavily armed police officers during clashes that followed the recent fatal shooting of a black teenager in […]

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Random Walk from Processing to Tableau

For another submission to Viz as Art contest at Tableau, I wanted to create something involving randomness and random walk specifically. But I found that the classic random walk algorithm creates results that are, well…too random, as opposed to the organic, botanical shapes I was looking for. Luckily, someone has already thought of developing a […]

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Lorenz Attractor – There is Chaos in Tableau!

Inspired by the work of Noah Salvaterra and his beautiful Tableau visualizations of fractals and L-Systems, I made this visual of the Lorenz Strange Attractor. Edward Lorenz, a meteorologist and mathematician,  developed a set of equations to model atmospheric convection. When plotted in 3-dimensional space, the equations generate a beautiful pattern. If you want to […]

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