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
13.7
3
次元の散布図を作成する
319
図13-13 体裁をカスタマイズしたヒートマップ
関連項目
異なるカラーパレットを使用したい場合には、「レシピ 12.6 連続値変数に手動で定義したパレット
を使う」を参照してください。
レシピ
13.7
3
次元の散布図を作成する
問題
3
次元の散布図を作成したい。
解決策
rgl
パッケージを使用します。このパッケージは
3
次元グラフィックスを扱う
OpenGL
へのインタ
フェースを提供するものです。図13-14のような
3
次元散布図を作成するためには、
plot3d()
を使用し
て、左端の
3
列が
x
、
y
、
z
座標からなるデータフレーム、もしくは
x
、
y
、
z
座標の
3
つのベクトルを渡し
ます。
# install.packages("rgl")
でパッケージをインストールしておく
library(rgl)
plot3d(mtcars$wt, mtcars$disp, mtcars$mpg, type = "s", size = 0.75, lit = FALSE)
320
13
章 さまざまなグラフ
図13-14 3 次元散布図
Mac
の場合には、
rgl
を使う準備として
XQuartz
をインストールする必要があります。
XQuartz
は
https://www.xquartz.org/
か
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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.