graphviz 설치

https://graphviz.org/download/

• 다운로드
  

• Abaconda Prompt 실행
  

• pip install graphviz 입력
  

• 재부팅(주피터 노트북) -> 실행

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from sklearn.tree import export_graphviz
export_graphviz(tree_model, out_file='tree.dot',
               class_names=['독','식용'],
               feature_names=X_one_hot.columns,
               impurity=False,
               filled=True)

import graphviz

with open('tree.dot', encoding='UTF8') as f:
    dot_graph = f.read()

display(graphviz.Source(dot_graph))