introduction The Senseable City Lab has partnered with the SNCF division for research and innovation to investigate new ways of gaining insight into how people access different parts of France using the country's high speed railway system. Today's transportation networks are densely packed with sensors and digital systems to facilitate routine operations. The two visual applications below combine

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What is Circos? Circular visualization Circos is a software package for visualizing data and information. It visualizes data in a circular layout — this makes Circos ideal for exploring relationships between objects or positions. There are other reasons why a circular layout is advantageous, not the least being the fact that it is attractive. Circos is ideal for creating publication-quality infogr

代表的なデータ可視化手法のひとつに、量を色に置き換える方法がある。その中でも昔から定番的に使われてきたのが、紫色から赤色までの、いわゆる「レインボー・カラー」を使うものだ。特に自然科学の分野ではレインボー・カラーを使った可視化がよく使われる。しかし、この可視化手法はわかりにくい、と言う主張も以前からある。最近、Visuallyにのったブログ、「NASA殿、レインボー・カラーを使わないで下さい("Dear NASA, No More Rainbow Color Scales, Please"」に、レインボー・カラーを使うべきではない理由が次のように簡潔にまとめられている。 理由１．色覚異常の人には識別できない 例えば下の図の左上のレインボー・カラーは、赤色色覚異常の人は右上のように見える。 ＜出典＞ 理由２．となりあう色の間に人工的な境界が見えてしまう 左のように明度では連続しているデータが

One year ago this week, Xbox 360 set out to change the way we interact with games and entertainment with the launch of Kinect for Xbox 360. Sales immediately soared with more than 10 million Kinect sensors sold, setting the Guinness World Record as the fastest-selling consumer electronics device in 60 days along the way. But people were inspired not just to play; but also to discover, innovate and

CanvasXpress: A JavaScript Library for Data Analytics with Full Audit Trail Capabilities. Explore Examples → CanvasXpress is free for personal and educational use. View Documentation → NPM Yarn CDN

Time Series Data Collection & Analysis Cube is a system for collecting timestamped events and deriving metrics. By collecting events rather than metrics, Cube lets you compute aggregate statistics post hoc. It also enables richer analysis, such as quantiles and histograms of arbitrary event sets. Cube is built on MongoDB and available under the Apache License on GitHub. Collecting Data An event in

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