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[英]ImportError in importing from sklearn: cannot import name check_build
[英]ImportError: cannot import name choice when importing sklearn.mixture
我正在使用 scikit 学习 0.15.0。 当我尝试导入 sklearn.mixture 时出现 ImportError: cannot import name choice
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
如前所述,这可能与旧文件(是在python中实现的,而不是在库中实现的?)在新的程序包中可能使用pip install -U packagename(在我的情况下为pip install -U scikit-learn)进行了更新值得首先尝试卸载该软件包,然后再重新安装它,然后再手动删除内容...(在我的情况下有效)卸载(在我的情况下,在Anaconda命令提示符下运行它):
pip uninstall scikit-learn
然后:
pip install -U numpy scipy scikit-learn
(添加依赖项以防万一),然后确保
pip install scikit-learn
应该说它已经安装了
尝试import KMeans
为相同错误: 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
由于几天前我已将Scikit升级到0.15 版, 因此 /usr/local/lib/python2.7/dist-packages/sklearn/utils
中包含 了 random.so的旧版本 。
我手动删除了它,现在不再出现错误。
希望这可以帮助。
from sklearn.mixture import GaussianMixture
使用它会使使用.gmm更具体,
和
from sklearn.cluster import KMeans
对于:
16 from ..neighbors import kneighbors_graph
17 from ..manifold import spectral_embedding
---> 18 from .k_means_ import k_means
新的实现是
from sklearn import mixture
model = mixture.GaussianMixture(n_components=3, covariance_type='full')
只需替换前两行
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