大数据分析步骤：
http://dataunion.org/9805.html?utm_source=tuicool&utm_medium=referral

numpy学习
http://scipy.github.io/old-wiki/pages/Tentative_NumPy_Tutorial.html
scipy
http://docs.scipy.org/doc/scipy/reference/tutorial/
matplotlib
http://nbviewer.jupyter.org/github/jrjohansson/scientific-python-lectures/blob/master/Lecture-4-Matplotlib.ipynb
pandas
http://www.gregreda.com/2013/10/26/intro-to-pandas-data-structures/