title: error in installing statsmodels for python 3.6.1
body: <p>I'm trying to install the statistics model in Python 3.6.1, but I get the following exception error.</p>
  
  <p>Does anyone have any idea what it can be?</p>
  
  <p>I have installed Visual C++. I do not know if I should install something else.</p>
  
  <pre><code> Microsoft Windows [Versión 10.0.15063]
  (c) 2017 Microsoft Corporation. Todos los derechos reservados.
  
  C:\Users\Sebastián&gt;cd C:\Users\Sebastián\AppData\Local\Programs\Python\Python36
  
  C:\Users\Sebastián\AppData\Local\Programs\Python\Python36&gt;cd Scripts
  
  C:\Users\Sebastián\AppData\Local\Programs\Python\Python36\Scripts&gt;pip install statsmodels
  Collecting statsmodels
    Using cached statsmodels-0.8.0.tar.gz
  Installing collected packages: statsmodels
    Running setup.py install for statsmodels ... error
  Exception:
  Traceback (most recent call last):
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\compat\__init__.py", line 73, in console_to_str
      return s.decode(sys.__stdout__.encoding)
  UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe1 in position 148: invalid continuation byte
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\basecommand.py", line 215, in main
      status = self.run(options, args)
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\commands\install.py", line 342, in run
      prefix=options.prefix_path,
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_set.py", line 784, in install
      **kwargs
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 878, in install
      spinner=spinner,
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\utils\__init__.py", line 676, in call_subprocess
      line = console_to_str(proc.stdout.readline())
    File "c:\users\sebastián\appdata\local\programs\python\python36\lib\site-packages\pip\compat\__init__.py", line 75, in console_to_str
      return s.decode('utf_8')
  UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe1 in position 148: invalid continuation byte
  
  C:\Users\Sebastián\AppData\Local\Programs\Python\Python36\Scripts&gt;
  </code></pre>