November 2019
Intermediate to advanced
472 pages
9h 23m
Japanese
Content preview from Rグラフィックスクックブック 第2版 ―ggplot2によるグラフ作成のレシピ集
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レシピ
5.10
散布図の縁にラグを表示する
117
図5-27 自動的に数式を生成した散布図
関連項目
R
の数式の文法は少しトリッキーなところがあります。詳細については、「レシピ7.2 注釈に数式を
使う」の情報を参照してください。
レシピ
5.10
散布図の縁にラグを表示する
問題
散布図の縁にラグを表示したい。
解決策
geom_rug()
を使います。この例（図5-28）では、オールド・フェイスフル・ガイザー（イエローストー
ン国立公園内にある間欠泉）に関する
faithful
データセットを使います。このデータは、間欠泉の噴
出時間
eruptions
と次の噴出までの時間間隔
waiting
の
2
列からなるデータフレームです。
ggplot(faithful, aes(x = eruptions, y = waiting)) +
geom_point() +
geom_rug()
118
5
章 散布図
図5-28 散布図の縁に追加されたラグ
解説
縁に表示したラグのプロットは、本質的には
1
次元の散布図です。この
1
次元の散布図によって各軸
のデータの分布を可視化することができます。
このデータセットの例では、縁のラグは本来ラグで表現できるほどの情報量がありません。
waiting
変数は分単位の整数値であり、小数の情報がありません。 ...
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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.