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Related .. Something I've been working on to learn d3.js A table of "happenings" on the Tokyo metro line for the last 30 days scraped hourly from the Tokyo metro site. The animations are a bit pointless but you get the idea!

http://poyo.co/metro

Yesterday's typhoon really messed things up!

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Very cool! Do you have any data on how long the "happening" lasted? Would be neat if you could somehow incorporate that into the size of the circle in the left graph, or instead of showing the number of happenings on the right graph, you could instead show the downtime.

Most end in the same way (平常どおり運転しています。 - returned to normal operation) so, it's possible, sure!

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