title: Install Pandas on Mac with pip
body: <p>I am trying to install <code>Pandas</code> with <code>pip</code>, but ran into to a problem. Here are the details:</p>
  
  <pre><code>Mac OS Sierra
  which python =&gt; /usr/bin/python
  python --version =&gt; Python 2.7.10
  Inside "/System/Library/Frameworks/Python.framework/Versions" there is the following
  2.3 2.5 2.6 2.7 Current
  </code></pre>
  
  <p><strong>I want pandas to be linked to <code>Python 2.7.10</code> in "/usr/bin/python"</strong> </p>
  
  <p>When I do <code>pip install pandas</code>, I get the following error message: </p>
  
  <pre><code>Collecting pandas
    Using cached pandas-0.19.2-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl
  
  Requirement already satisfied: pytz&gt;=2011k in 
  
  /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from pandas)
  
  Requirement already satisfied: python-dateutil in 
  
  /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from pandas)
  
  Requirement already satisfied: numpy&gt;=1.7.0 in 
  
  /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from pandas)
  
  Installing collected packages: pandas
  
  Exception:
  
  Traceback (most recent call last):
    File "/Library/Python/2.7/site-packages/pip-9.0.1-
  py2.7.egg/pip/basecommand.py", line 215, in main
      status = self.run(options, args)
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/commands/install.py", line 342, in run
      prefix=options.prefix_path,
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_set.py", line 784, in install
      **kwargs
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 851, in install
      self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 1064, in move_wheel_files
      isolated=self.isolated,
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 345, in move_wheel_files
      clobber(source, lib_dir, True)
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 316, in clobber
      ensure_dir(destdir)
  
    File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/utils/__init__.py", line 83, in ensure_dir
      os.makedirs(path)
  
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 157, in makedirs
      mkdir(name, mode)
  
  OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pandas'
  </code></pre>
  
  <p>Thanks for helping.</p>