时间序列分析 异常分析 stl

https://blog.csdn.net/snowdroptulip/article/details/79125912

https://www.cnblogs.com/runner-ljt/p/5245080.html

http://www.nniiem.ru/file/news/2016/stl-statistical-model.pdf

https://www.cnblogs.com/en-heng/p/9202654.html