October 2017
Intermediate to advanced
480 pages
9h 49m
Japanese
Content preview from Rではじめるデータサイエンス
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22.4
スケール
405
22.4.2
凡例の配置
座標軸の修正には、
breaks
と
labels
を使うことがほとんどです。両者とも凡例にも使えますが、
凡例の場合には他の技法があります。
凡例の位置制御には、
theme()
設定を使う必要があります。
theme
については、本章の終わりの方
で述べますが、簡単に言えば、プロットの中のデータ以外の部分を扱います。
legend.position
と
いう
theme
設定はどこに凡例を書くかを制御します。
base <- ggplot(mpg, aes(displ, hwy)) +
geom_point(aes(color = class))
base + theme(legend.position = "left")
base + theme(legend.position = "top")
base + theme(legend.position = "bottom")
b
ase + theme(legend.position = "right") # the default
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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.