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.
レシピ
13.18
コロプレス地図（塗り分け地図）を描く
349
図13-34 左：ニュージーランドの地図。worldのデータを使用 右：nzのデータを使用
関連項目
他の地図データセットは、
mapdata
パッケージを参照してください。このパッケージには中国と日本
の地図、解像度の高い世界地図である
worldHires
が含まれます。
簡単に地図を作成するためには、
map()
を参照してください。
使用可能な地図投影法のリストは、
?mapproject
を参照してください。
レシピ
13.18
コロプレス地図（塗り分け地図）を描く
問題
地域を変数の値に応じて塗り分けた地図を作成したい。
解決策
変数の値のデータを地図データと統合して、値を
fill
にマッピングします。
# USArrests
データセットを正しいフォーマットに変換
crimes <- data.frame(state = tolower(rownames(USArrests)), USArrests)
crimes
#>
state Murder Assault UrbanPop Rape
#> Alabama alabama 13.2 236 58 21.2
#> Alaska alaska 10.0 263 48 44.5
#> Arizona arizona 8.1 294 80 31.0
#> ...<44 more rows>...
#> West Virginia west virginia 5.7 81 39 9.3
#> Wisconsin wisconsin ...
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.