[英]AttributeError: type object 'sklearn.tree._criterion.array' has no attribute '__reduce_cython__'
[英]AttributeError: type object 'sklearn.tree._tree.TreeBuilder' has no attribute '__reduce_cython__'
我正在使用通过 Anaconda3 安装的 jupyter。 我无法导入 DecisionTreeClassifier 并收到以下错误。 安装在 Ananconda 中的 Python 版本 - 3.7.3。
有人可以在这里帮助我吗?
import pandas as pd
from sklearn import tree
music = pd.read_csv('music.csv')
X = music.drop(columns=['genre'])
y = music['genre']
modl = tree.DecisionTreeClassifier()
modl.fit(X,y)
predictions = modl.predict([[21,1],[22,0]])
predictions
错误信息:
AttributeError Traceback (最近一次调用最后一次) in 1 import pandas as pd ----> 2 from sklearn import tree 3 4 music = pd.read_csv('music.csv') 5 X = music.drop(columns=['genre) '])
~\\Anaconda3\\lib\\site-packages\\sklearn\\tree__init__.py in 4 """ 5 ----> 6 from .tree import DecisionTreeClassifier 7 from .tree import DecisionTreeRegressor 8 from .tree import ExtraTreeClassifier
~\\Anaconda3\\lib\\site-packages\\sklearn\\tree\\tree.py in 38 from ..utils.validation import check_is_fitted 39 ---> 40 from ._criterion import Criterion 41 from ._splitter import Splitter 42 from ._tree import DepthFirstTreeBuilder
~\\Anaconda3\\lib\\site-packages\\sklearn\\tree_splitter.pxd in init sklearn.tree._criterion()
~\\Anaconda3\\lib\\site-packages\\sklearn\\tree_tree.pxd in init sklearn.tree._splitter()
sklearn\\tree_tree.pyx 在 init sklearn.tree._tree()
AttributeError:类型对象“sklearn.tree._tree.TreeBuilder”没有属性“ reduce_cython ”
我遇到了同样的麻烦,并尝试解决它。 最后,我发现 anaconda prompt 中的conda update scikit-learn
对我很有用。 这里
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