https://bigdata-ny.github.io/2016/09/20/visual-tools-for-machine-learning-part-2/
http://scikit-learn.org/stable/tutorial/machine_learning_map/
https://bigdata-ny.github.io/
http://mp.weixin.qq.com/s?__biz=MzI0MDIxMDM0MQ==&mid=2247483684&idx=1&sn=428cf35632b2408e1dc7d36dff497c53&scene=21#wechat_redirect