sklearn的api文档 http://sklearn.apachecn.org/cn/0.19.0/
sklearn中的数据标准化 http://blog.csdn.net/gamer_gyt/article/details/77761884
pyqt5中文教程 http://code.py40.com/pyqt5/14.html
吴恩达机器学习笔记 http://blog.csdn.net/Artprog/article/details/51280821
python之缠 https://zhuanlan.zhihu.com/pythoneer/
mongodb之python操作 http://blog.csdn.net/xsj_blog/article/details/52032969