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
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.
204
8
章 軸
目盛記号、目盛ラベル、さらに、目盛線を非表示にする場合、
breaks
を
NULL
に設定します（図8-14
右）。
pg_plot +
scale_y_continuous(breaks = NULL)
図8-14 左：y軸の目盛ラベルを非表示 中央：y軸の目盛ラベルと目盛記号を非表示
右：breaks=NULLの場合
カテゴリカルな軸でも、同様に
scale_x_discrete(breaks = NULL)
を設定すれば、
x
軸の目盛線を
非表示にできます。
解説
目盛に関して制御可能な要素は
3
つあります。目盛ラベル、目盛記号、目盛線です。連続値軸の場合、
ggplot()
は通常、目盛ラベル、目盛記号、主目盛線を
breaks
で指定した位置に表示します。カテゴリ
カルな軸では、これらの要素は
limits
の位置に表示されます。
目盛ラベルと目盛線は
x
軸と
y
軸で独立に制御可能ですが、目盛記号は両軸同時に制御しなければな
りません。
レシピ
8.8
目盛ラベルのテキストを変更する
問題
目盛ラベルのテキストを変更したい。
解決策
図8-15のような身長（インチ）の散布図を考えます。
library(gcookbook) # heightweight
データセットを使うために
gcookbook
を読み込む
レシピ
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.