GraphViz 的可执行文件在 Anaconda 中找不到错误?
GraphViz's executables not found error in Anaconda?
我编写了以下代码来构建决策树,但出现以下错误。你能帮帮我吗?
from sklearn.tree import DecisionTreeClassifier
from sklearn.model_selection import train_test_split
import pandas as pd
import numpy as np
from six import StringIO
from sklearn.tree import export_graphviz
from sklearn import tree
import pydot
from IPython.display import Image
import pydotplus
import graphviz
dot_data = StringIO()
export_graphviz(decisionTree1, out_file =dot_data, filled=True,
rounded =True, special_characters=True)
graph = pydotplus.graph_from_dot_data(dot_data.getvalue())
Image(graph.create_png())
- 如果您正在使用 Linux,请在 cmd 中尝试此操作:
sudo apt-get install graphviz
- 如果使用 macOS,试试这个
brew install graphviz
- i) 如果在 windows 上,通过 conda
conda install graphviz
安装它并添加路径环境变量 C:\Users\username\Anaconda3\Library\bin\graphviz
- ii) 尝试通过
conda install python-graphviz
安装
我编写了以下代码来构建决策树,但出现以下错误。你能帮帮我吗?
from sklearn.tree import DecisionTreeClassifier
from sklearn.model_selection import train_test_split
import pandas as pd
import numpy as np
from six import StringIO
from sklearn.tree import export_graphviz
from sklearn import tree
import pydot
from IPython.display import Image
import pydotplus
import graphviz
dot_data = StringIO()
export_graphviz(decisionTree1, out_file =dot_data, filled=True,
rounded =True, special_characters=True)
graph = pydotplus.graph_from_dot_data(dot_data.getvalue())
Image(graph.create_png())
- 如果您正在使用 Linux,请在 cmd 中尝试此操作:
sudo apt-get install graphviz
- 如果使用 macOS,试试这个
brew install graphviz
- i) 如果在 windows 上,通过 conda
conda install graphviz
安装它并添加路径环境变量C:\Users\username\Anaconda3\Library\bin\graphviz
- ii) 尝试通过
conda install python-graphviz
安装