ImportError:导入sklearn.mixture时无法导入名称选择

Question

我正在使用scikit学习0.15.0.当我尝试导入sklearn.mixture时,我得到ImportError:无法导入名称选择

有任何想法吗？

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In [1]: **from sklearn import mixture**

ImportError                               Traceback (most recent call last)
<ipython-input-1-05bc76cab98d> in <module>()
----> 1 from sklearn import mixture

/home/f/anaconda/lib/python2.7/site-packages/sklearn/mixture/__init__.py in <module>()
      3 """
      4
----> 5 from .gmm import sample_gaussian, log_multivariate_normal_density
      6 from .gmm import GMM, distribute_covar_matrix_to_match_covariance_type
      7 from .gmm import _validate_covars

/home/f/anaconda/lib/python2.7/site-packages/sklearn/mixture/gmm.py in <module>()
     16 from ..utils import check_random_state, deprecated
     17 from ..utils.extmath import logsumexp, pinvh
---> 18 from .. import cluster
     19
     20 from sklearn.externals.six.moves import zip

/home/f/anaconda/lib/python2.7/site-packages/sklearn/cluster/__init__.py in <module>()
      4 """
      5
----> 6 from .spectral import spectral_clustering, SpectralClustering
      7 from .mean_shift_ import mean_shift, MeanShift, estimate_bandwidth, \
      8     get_bin_seeds

/home/f/anaconda/lib/python2.7/site-packages/sklearn/cluster/spectral.py in <module>()
     16 from ..neighbors import kneighbors_graph
     17 from ..manifold import spectral_embedding
---> 18 from .k_means_ import k_means
     19
     20

/home/f/anaconda/lib/python2.7/site-packages/sklearn/cluster/k_means_.py in <module>()
     28 from ..utils import as_float_array
     29 from ..utils import gen_batches
---> 30 from ..utils.random import choice
     31 from ..externals.joblib import Parallel
     32 from ..externals.joblib import delayed

ImportError: cannot import name choice

Answer 1

from sklearn.mixture import GaussianMixture

使用它可以更具体地使用 .gmm，

和

from sklearn.cluster import KMeans

为了：

     16 from ..neighbors import kneighbors_graph
     17 from ..manifold import spectral_embedding
---> 18 from .k_means_ import k_means

Answer 2

当我尝试这样做时，我遇到了同样的错误import KMeans：from sklearn.cluster import KMeans

Error > ImportError: cannot import name choice

我在这里找到了答案：https ://github.com/scikit-learn/scikit-learn/issues/3461

由于几天前我已升级到 Scikit 版本 0.15，旧版本的 random.so 存在于 /usr/local/lib/python2.7/dist-packages/sklearn/utils.

我手动删除了它，现在我不再收到错误了。

希望这可以帮助。