Flávio’s Dataworks

  • Countdown to Tram 19

    Countdown to Tram 19

    When I’m feeling discouraged about the present, I like to think of nice things I can look forward to. (…) So my plan for the plot was simple: find out how the opening date of the Tram 19 extension to TU Delft changed over time, and make a “countdown” plot.

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  • Overstay in the U-Ess-A

    Overstay in the U-Ess-A

    As of the start of 2026, nationals of 20 countries are now “fully banned”, while those of another 20 enjoy a partial ban. (…) I wanted to look into how U.S. visa overstay rates compare for nationals of various countries.

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  • Playground quest

    Playground quest

    But the great thing is they made a website, BuitenSpeelkaart, that shows all public playgrounds from partner municipalities. For today’s figure, my objective was to make my own version of the map for Schiedam, indicating whether or not I have visited each playground.

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  • The Intercity of the future

    The Intercity of the future

    The Intercity Nieuwe Generatie, ICNG for its closer friends, is the nieuwest train used by the Nederlandse Spoorwegen (NS). (…) my goal was to plot how has delivery gone over time, because despite reassurances from NS, it felt like it was slow.

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  • U.S. Civics Test

    U.S. Civics Test

    Exactly how many questions of the 128 would I get right if I replaced “United States” with “Brazil” (and related wording), and answered accordingly?

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  • Latitude line

    Latitude line

    You don’t quite appreciate the North Atlantic Current until you realize that New York City is approximately at the same latitude as Madrid. Eventually the idea evolved into making the plot as a transit line diagram, with a selection of large cities represented as “stops” on the line, spaced proportionally to their latitude.

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  • First post

    First post

    I started with the idea of the blog around late 2024, I think? For a while, it was just an idea in my head. At first, the idea was “make a data plot every week”. Then I figured maybe “Plot of the Month” was more doable. Knowing my ADHD-like ability to start something and not

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GPC signal honored