说一说安装sklearn遇到的坑

这个sklearn库我安装了一天各种错误
现在做一下总结
1
首先安装顺序

wheel
numpy
scipy
sklearn

每个库对版本都有要求
2
如果使用whl文件，numpy+mkl要一起安装。(要找与你版本对应的)
这是numpy库地址
特别是3.8版本
不然

记得配置环境变量
3
安装时可以指定版本号
库名==XXX
4
可以使用豆瓣源安装
5
最重要的一点就是要耐心

555 桑心

我重装了四个版本的python
最后3.6成功了

C:\Users\88304\AppData\Local\Programs\Python\Python36-32\Scripts>pip install -i https://pypi.douban.com/simple/ numpy
Looking in indexes: https://pypi.douban.com/simple/
Collecting numpyDownloading https://pypi.doubanio.com/packages/44/dd/45a5965b3406b39d0537a1de89727879f356db984fe82e918bfb9327aa04/numpy-1.17.4-cp36-cp36m-win32.whl (10.7MB)|████████████████████████████████| 10.7MB 80kB/s
Installing collected packages: numpy
Successfully installed numpy-1.17.4C:\Users\88304\AppData\Local\Programs\Python\Python36-32\Scripts>pip list
Package    Version
---------- -------
jieba      0.39
numpy      1.17.4
pip        19.3.1
setuptools 28.8.0
wheel      0.33.6C:\Users\88304\AppData\Local\Programs\Python\Python36-32\Scripts>pip install -i https://pypi.douban.com/simple/ scipy
Looking in indexes: https://pypi.douban.com/simple/
Collecting scipyDownloading https://pypi.doubanio.com/packages/08/df/6ea79ed8a4415516d36ce1a65b6bb3a9b00885d2e513774b9b55a367950b/scipy-1.3.3-cp36-cp36m-win32.whl (27.2MB)|████████████████████████████████| 27.2MB 61kB/s
Requirement already satisfied: numpy>=1.13.3 in c:\users\88304\appdata\local\programs\python\python36-32\lib\site-packages (from scipy) (1.17.4)
Installing collected packages: scipy
Successfully installed scipy-1.3.3C:\Users\88304\AppData\Local\Programs\Python\Python36-32\Scripts>pip install -i https://pypi.douban.com/simple/ sklearn
Looking in indexes: https://pypi.douban.com/simple/
Collecting sklearnDownloading https://pypi.doubanio.com/packages/1e/7a/dbb3be0ce9bd5c8b7e3d87328e79063f8b263b2b1bfa4774cb1147bfcd3f/sklearn-0.0.tar.gz
Collecting scikit-learnDownloading https://pypi.doubanio.com/packages/c1/8d/42c8cfca4ff0ec52a938db127ee99714083c5b786d00ed567ac2ec432b7d/scikit_learn-0.21.3-cp36-cp36m-win32.whl (5.2MB)|████████████████████████████████| 5.2MB 59kB/s
Requirement already satisfied: numpy>=1.11.0 in c:\users\88304\appdata\local\programs\python\python36-32\lib\site-packages (from scikit-learn->sklearn) (1.17.4)
Requirement already satisfied: scipy>=0.17.0 in c:\users\88304\appdata\local\programs\python\python36-32\lib\site-packages (from scikit-learn->sklearn) (1.3.3)
Collecting joblib>=0.11Downloading https://pypi.doubanio.com/packages/8f/42/155696f85f344c066e17af287359c9786b436b1bf86029bb3411283274f3/joblib-0.14.0-py2.py3-none-any.whl (294kB)|████████████████████████████████| 296kB 1.6MB/s
Building wheels for collected packages: sklearnBuilding wheel for sklearn (setup.py) ... doneCreated wheel for sklearn: filename=sklearn-0.0-py2.py3-none-any.whl size=1287 sha256=39b9aa51595956c0ef03682b3b23ec871e5c503b165566f95b49734412dc58a2Stored in directory: C:\Users\88304\AppData\Local\pip\Cache\wheels\82\7b\c8\524bffad1af0af5d23d9bbc9444ed8ccf5fed065a49d479d55
Successfully built sklearn
Installing collected packages: joblib, scikit-learn, sklearn
Successfully installed joblib-0.14.0 scikit-learn-0.21.3 sklearn-0.0

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