http://blog.csdn.net/v_july_v/article/category/1061301
http://blog.csdn.net/v_july_v/article/details/8308762
http://blog.csdn.net/v_july_v/article/details/8308762
概率論與數理統計-施光燕教授-12課時
http://www.youku.com/playlist_show/id_2969173.html
http://blog.jobbole.com/82630/
http://blog.jobbole.com/60809/
http://blog.jobbole.com/56256/
data mining
https://www.youtube.com/watch?v=G_0d3w0THCc&list=PLea0WJq13cnCS4LLMeUuZmTxqsqlhwUoe
numpy
https://www.youtube.com/watch?v=oYTs9HwFGbY
http://torch.cogbits.com/doc/tutorials_supervised/
http://nkonst.com/review-data-science/
http://cs109.github.io/2014/ ***
http://nkonst.com/review-learning-from-data/
http://quantombone.blogspot.com/2015/01/from-feature-descriptors-to-deep.html
http://karpathy.github.io/neuralnets/
http://ipython.org/notebook.html ***
https://www.cs.princeton.edu/courses/archive/fall06/cos341/handouts/mathcs.pdf