数据挖掘流程
此网址还提供了其他众多涉及数学科学的cheat sheet，非常推荐
算法的选择
SIGAI算法地图
sklearn使用
此网页也提供了numpy,pandas, matplotlib,PySpark,Keras等module的使用方法
模型评估指标
更多关于数据科学的cheat sheet，可以参考：
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https://github.com/FavioVazquez/ds-cheatsheets
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https://github.com/soulmachine/machine-learning-cheat-sheet
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https://www.analyticsvidhya.com/blog/2017/02/top-28-cheat-sheets-for-machine-learning-data-science-probability-sql-big-data/
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https://medium.com/machine-learning-in-practice/cheat-sheet-of-machine-learning-and-python-and-math-cheat-sheets-a4afe4e791b6
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https://static.coggle.it/diagram/WHeBqDIrJRk-kDDY/t/categories-of-algorithms-non-exhaustive