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  <author_name>dichika</author_name>
  <author_url>https://blog.hatena.ne.jp/dichika/</author_url>
  <blog_title>盆栽日記</blog_title>
  <blog_url>https://dichika.hateblo.jp/</blog_url>
  <categories>
    <anon>R</anon>
    <anon>ggplot2</anon>
  </categories>
  <description>geom_pathはめったに使わないので矢印が書けるとは知らなかった。 library(ggplot2) smp &lt;- data.frame(id=rep(1:5,each=2), group=rep(2008:2009,5), x=rnorm(10), y=rnorm(10)) library(grid) ggplot(smp, aes(x=x,y=y,group=id,label=group)) + geom_path(aes(color=factor(id)),arrow=arrow(), ,lineend = &quot;round&quot;) + geom_text() 矢印の角度や大きさは調整できる…</description>
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  <image_url></image_url>
  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2014-05-09 00:00:00</published>
  <title>geom_pathで矢印を書く</title>
  <type>rich</type>
  <url>https://dichika.hateblo.jp/entry/20140509/p1</url>
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