python机器学习包 Windows下 pip安装 scikit-learn numpy scipy

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python机器学习包 Windows10下 

pip安装 scikit-learn numpy scipy

requirements:

` windows10

` python2.7

` pip9.0.1

` numpy

` scipy

` sklearn


1  pip的安装

1.1  下载pip

下载地址是:https://pypi.python.org/pypi/pip#downloads :

下载完成之后,解压到一个文件夹,用CMD控制台进入解压目录,输入:

python setup.py install

1.2  添加pip到path

在PATH最后添加:

C:\Python34\Scripts;

到现在我们才算完整安装好了pip:

2  Python机器学习包安装

2.1  pip安装numpy

pip install numpy


2.2  pip安装sklearn

pip install -U scikit-learn


2.3  pip安装scipy(注:sklearn 依赖scipy包)

pip install scipy
如果你按照这条下去,会报错:
File "scipy\linalg\setup.py", line 20, in configuration
        raise NotFoundError('no lapack/blas resources found')
    numpy.distutils.system_info.NotFoundError: no lapack/blas resources found
正确的做法是:
step1. 在官网下载scipy:

http://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy
下载对应的whl包:


step2. 在官网下载numpy mki (此步为必须!)

http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy

step3. 安装whl包
pip install [Local File Location]\[scipy-0.19.0-cp27-cp27m-win32.whl]
 
   
pip install [Local File Location]\[numpy-1.11.3+mkl-cp27-cp27m-win32.whl]





3  Python机器学习包测试

python
>>> import sklearn
>>> import numpy
>>> import scipy
>>>


完成done`睡觉




Scofield.Phil

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转载自blog.csdn.net/Scotfield_msn/article/details/63276704