[B! D3] ikosinのブックマーク

Visualizing Git

ikosin 2019/05/21

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Creating hexagonal heatmaps with d3.js

In my previous post I spoke a bit about a program I wrote in R that helps me perform self organizing map (SOM) analyses and create heatmaps. From the cleaned data file all the way to the visualization and analysis of the heatmaps. If you want to know how to add boundaries to heatmaps, see my next post that deals specifically with the boundaries once you have your heatmap all set up. One minor issu

ikosin 2015/08/05

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World Airports Voronoi

2,980 large and medium airports with scheduled services from OurAirports. Each region is closer to a particular airport than any other. This partitioning of the sphere is called a spherical Voronoi diagram. Most Remote Point The point at … is furthest away from any airport in the above dataset; … from the nearest three airports. This is the circumcentre of the Delaunay triangle with the largest ci

ikosin 2015/01/28

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http://nickqizhu.github.io/dc.js/

ikosin 2014/03/19

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データ可視化勉強会

The document describes various probability distributions that can arise from combining Bernoulli random variables. It shows how a binomial distribution emerges from summing Bernoulli random variables, and how Poisson, normal, chi-squared, exponential, gamma, and inverse gamma distributions can approximate the binomial as the number of Bernoulli trials increases. Code examples in R are provided to

ikosin 2014/03/02

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2時間縛りでd3.js挑戦してみた - mizchi's blog

何この記事あんちべという人から無茶ぶりがきたので対応した mizchi、d3ブログ書いてくれた呑む— 3D円グラフ皆殺し (@AntiBayesian) 2014, 3月 2 @AntiBayesian D3まだ極めてないです— 高意識エネルギー (@mizchi) 2014, 3月 2 @mizchi 2時間やろう、早く極めたまえ— 3D円グラフ皆殺し (@AntiBayesian) 2014, 3月 2 @AntiBayesian おっしゃ待ってろ— 高意識エネルギー (@mizchi) 2014, 3月 2 前提よく誤解されるんですが、D3.jsはグラフ描画ツールではなく、JavaScriptでSVGを生成するためのjQuery風DSLで、DSLとはいえかなりローレベルなライブラリです。SVGはベクタグラフィックスを生成する規格。ブラウザ上のSVGは、図形を書けるDOMであり、他