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.
332
13
章 さまざまなグラフ
の方法で標準化することもできますし、標準化しなくても良いのです（このデータセットで標準化をし
ないと、図13-20に示すように、他の変数に対して
GDP
の影響が圧倒的になります）。
hc_unscaled <- hclust(dist(c2))
plot(hc_unscaled)
図13-20 標準化しないデータで描いた樹形図―標準化しないGDP値のためにheightの値がずっと大きくなっ
ていることに注意
dist()
による距離行列の計算では、デフォルトの方法である
"euclidean"
を用いました。この
方法は
2
点間のユークリッド距離を計 算します。他には
"maximum"
、
"manhattan"
、
"canberra"
、
"binary"
、
"minkowski"
などの方法を使用できます。
hclust()
関数には、クラスター分析の方法がいくつか準備されています。デフォルトは
"complete"
ですが、他には
"ward"
、
"single"
、
"average"
、
"mcquitty"
、
"median"
、
"centroid"
を使用できます。
関連項目
その他のクラスター分析の方法については、
?hclust
を参照してください。
レシピ
13.12
ベクトルフィールドを作成する
問題
ベクトルフィールド（ベクトル場）を作成したい。
レシピ
13.12
ベクトルフィールドを作成する
333
解決策
geom_segment()
を使用してください。この例では、
isabel
データセットを使用しま
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.