sklearn 安装问题高分求助！

2015-10-29 11:31:59 1.3k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

从负分到高分：诊断并解决sklearn模型R2_score为负的实战指南本文详细解析了sklearn模型中R2_score出现负值的原因及解决方案，提供从数据诊断到模型调参的完整实战指南。通过案例分析展示如何通过特征工程、模型选择和预处理优化提升R2_score，帮助数据科学家有效解决预测模型性能低下的问题。阅读详情

开发环境：win8 、64位，跪求解决方案！
部分代码
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from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn import decomposition
from sklearn.feature_extraction.stop_words import ENGLISH_STOP_WORDS

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Traceback (most recent call last):
File "D:\sina\data\newtag\src\nmf\__init__.py", line 5, in <module>
from sklearn.feature_extraction.text import TfidfVectorizer
File "C:\Python27\lib\site-packages\sklearn\feature_extraction\__init__.py", line 7, in <module>
from .dict_vectorizer import DictVectorizer
File "C:\Python27\lib\site-packages\sklearn\feature_extraction\dict_vectorizer.py", line 15, in <module>
from ..utils import check_array, tosequence
File "C:\Python27\lib\site-packages\sklearn\utils\__init__.py", line 16, in <module>
from .class_weight import compute_class_weight, compute_sample_weight
File "C:\Python27\lib\site-packages\sklearn\utils\class_weight.py", line 7, in <module>
from ..utils.fixes import in1d
File "C:\Python27\lib\site-packages\sklearn\utils\fixes.py", line 316, in <module>
from ._scipy_sparse_lsqr_backport import lsqr as sparse_lsqr
File "C:\Python27\lib\site-packages\sklearn\utils\_scipy_sparse_lsqr_backport.py", line 58, in <module>
from scipy.sparse.linalg.interface import aslinearoperator
File "C:\Python27\lib\site-packages\scipy\sparse\linalg\__init__.py", line 109, in <module>
from .isolve import *
File "C:\Python27\lib\site-packages\scipy\sparse\linalg\isolve\__init__.py", line 6, in <module>
from .iterative import *
File "C:\Python27\lib\site-packages\scipy\sparse\linalg\isolve\iterative.py", line 7, in <module>
from . import _iterative
ImportError: DLL load failed:找不到指定的模块

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