导入 MLPClassifier 时出现导入错误

Question

我在尝试运行时遇到以下错误：

from sklearn.neural_network import MLPClassifier

错误：

from sklearn.neural_network import MLPClassifier
Traceback (most recent call last):

File "<ipython-input-77-6113b65dfa44>", line 1, in <module>
from sklearn.neural_network import MLPClassifier

File "C:\Users\anagha\Anaconda3\lib\site-packages\sklearn\neural_network\__init__.py", line 10, in <module>
from .multilayer_perceptron import MLPClassifier

File "C:\Users\anagha\Anaconda3\lib\site-packages\sklearn\neural_network\multilayer_perceptron.py", line 18, in <module>
from ..model_selection import train_test_split

File "C:\Users\anagha\Anaconda3\lib\site-packages\sklearn\model_selection\__init__.py", line 23, in <module>
from ._search import GridSearchCV

File "C:\Users\anagha\Anaconda3\lib\site-packages\sklearn\model_selection\_search.py", line 32, in <module>
from ..utils.fixes import rankdata

**ImportError: cannot import name 'rankdata'**

Answer 1

如果您已经安装了 numpy 和 scipy：

pip install -U scikit-learn

否则：

conda install scikit-learn

最后检查更新：

conda update pip