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Dockerにgraphvizを入れる方法

対象

この記事はオライリー・ジャパン「Pythonではじめる機械学習」2.3.5 決定木でエラーが出た人向けです。

環境

  • Ubuntu 18.04LTS
  • Dockerで仮想環境
  • Python 3.6
  • Jupyter notebook

状況

In[55]
melearn.plots.plot_animal_tree()
を実行したらエラーが出た

対処

graphvizがインストールできてないかも

apt-getコマンドでパッケージ本体をインストールする

apt-get update
apt-get install graphviz

pipコマンドを使いpython用のラッパーをインストールする

pip install graphviz

ハマったポイント

  • pip install graphvizだけでいいかと思ってたらだめだった
  • apt-get install graphvizをしたら先にupdateしろ、と言われた

参考

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