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Posts by Tomáš Marek

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Interesting fresh #preprint on measuring #visualizationliteracy and visual encoding ability with AVEC. One of the first attempt at assessing the constructive part of #dataviz literacy: osf.io/preprints/os...

1 year ago 1 0 0 0
Two maps of US unemployment rates by county. They are identical except that the legend in the second has been converted into a histogram.

Two maps of US unemployment rates by county. They are identical except that the legend in the second has been converted into a histogram.

Your map’s legend can be turned into a histogram, helping your audience understand the distribution in addition to decoding the colours.

1 year ago 471 86 13 19
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How Venn Diagrams Became So Beloved in Classrooms and Internet Memes A look at the curious history of Venn diagrams and how they blend logic with geometry

“No one in the long history of mathematics ever became better known for less.” Blending #logic with #geometry in #venn diagrams: fun and enlightening column by Jack Murtagh in @sciam.bsky.social

1 year ago 1 0 0 0

Bellingcat is currently working with universities to develop open source investigation courses in various fields and creating student-led investigative hubs at those universities, which seems well timed.

1 year ago 1529 308 28 15
Overview of eight selected visualization analogies for the study. Stacked area chart is shown as layers of Earth, Waterfall Plot as Super-Mario platform game etc.

Overview of eight selected visualization analogies for the study. Stacked area chart is shown as layers of Earth, Waterfall Plot as Super-Mario platform game etc.

Interesting way of #datavis on-boarding through #datavisualization analogies in this preprint from #UToronto carolinanobre.com and oliver-huang.com. Mapping data structures to real-world contexts to facilitate an intuitive understanding of novel chart types could work well for novices: osf.io/rk2d8/

1 year ago 5 0 0 0
DEF CON 32 - Encrypted newspaper ads in the 19th century - Elonka Dunin, Klaus Schmeh
DEF CON 32 - Encrypted newspaper ads in the 19th century - Elonka Dunin, Klaus Schmeh YouTube video by DEFCONConference

Mnoho šifrovaných zpráv z novin poloviny 19. století stále čeká na rozlousknutí. Elonka Dunin a Klaus Schmeh na letošním #DEFCON: www.youtube.com/watch?v=krIO... #šifry

1 year ago 2 0 0 0