DOC: link to install instructions in README.md

[aseering]

edit: the install instructions in the github README.md are out of date. They should link to the install instructions on the website

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I'm not sure what the expectation is here, but it seems to me that something's not right... The installation instructions say that easy_install has access to binary packages. However, easy_install fails if the appropriate compiler is not available. Would it be possible to either clarify the instructions to explain that binary packages are not available via easy_install, or fix the package to work without a compiler?

Code Sample, a copy-pastable example if possible

C:\> easy_install.exe pandas

Expected Output

Pandas should be successfully installed

Actual Output

error: Setup script exited with error: Microsoft Visual C++ 9.0 is required (Unable to require vcvarsall.bat). Get it from http://aka.ms/vcpython27

output of pd.show_versions()

easy_install is trying to install pandas-0.18.1.
However, it is not succeeding. As a result, import pandas as pd throws ImportError and I cannot run this command.

[aseering]

For reference: easy_install.exe numpy works fine on this machine.

[TomAugspurger]

Sorry that README is out of date. Install instructions are at http://pandas.pydata.org/pandas-docs/stable/install.html

does pip install pandas work for you?

[aseering]

Thanks @TomAugspurger for the reply! Unfortunately, no -- pip install pandas hits the same error.

[TomAugspurger]

What are you Python and pip versions? Any semi-recent version of pip should work.

See this list of binary wheels at https://pypi.python.org/pypi/pandas/0.18.1, which is what pip install pandas fetches from.

[aseering]

Ah, that did it! This machine has Python 2.7.9 and pip 1.5.6. pip install --upgrade pip upgraded to pip 8.1.2. After the upgrade, pip install pandas succeeds.

[jorisvandenbossche]

This was closed by #13882