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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28
3
章 棒グラフ
図3-3 すべての棒に単一の塗りつぶし色と枠線の色を指定した棒グラフ
ggplot2
では、基本的にはアメリカ式綴りの
color
ではなくイギリス式綴りの
colour
を使用
します。ただし、内部的にはアメリカ式綴りがイギリス式綴りに変換されるため、アメリカ
式綴りを使っても正しく動作します。
関連項目
棒の高さでグループごとの個数を表現したい場合は、「レシピ3.3 個数を示す棒グラフを作成する」
を参照してください。
他の変数の値を基にファクタのレベル順を並び替えるには、「レシピ15.9 データの値に基づいて
ファクタのレベル順を変更する」を参照してください。ファクタのレベル順を手動で変更するには、「レ
シピ15.8 ファクタのレベル順を変更する」を参照してください。
色の使用についてより詳しくは、「12章 色を使う」を参照してください。
レシピ
3.2
棒をグループ化する
問題
2
つ目の変数で棒をグループ化したい。
解決策
fill
に変数をマッピングして、
geom_col(position="dodge")
を使います。
この例では、
cabbage_exp
データセットを使用しています。このデータセットは、
2
つのカテゴリカ
レシピ
3.2
棒をグループ化する
29
ル変数
Cultivar
と
Date
、お
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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.