August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
336
15 章 可視化
し、引数としてデータセットを追加順に渡します。
ready
関数を例
15-5
に示します。エラーなしでデータをダウンロードしたら、受賞者のデータ
を使ってユーザが受賞分野、性別、国ごとに受賞者のサブセットを選択するアクティブなフィル
タ（
Crossfilter
ライブラリを利用）を作成します。そして、初期化メソッドを呼び出し、最後に
onDataChange
メソッドを使ってデータ可視化の視覚要素の描画を開始し、グラフ、地図、時系列
グラフなどを更新します。図
15-3
は、データ変更がどのように伝わるかを示しています。
例
15-5
初期データリクエストが解決したら
ready
関数が呼び出される
//...
function ready(error, worldMap, countryNames, countryData,
winnersData) {
//
エラーをコンソールにロギングする
if(error){
return console.warn(error);
}
//
国データデータセットを格納する
nbviz.data.countryData = countryData;
//
フィルタと次元を作成する
nbviz.makeFilterAndDimensions(winnersData); #
❶
//
メニューと地図を初期化する
nbviz.initMenu();
nbviz.initMap(worldMap, countryNames);
//
全受賞者のデータセットの更新を開始する ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.