(1).http://csyue.nccu.edu.tw/ch/Text_Mining_in_R.pdf
(2).https://zhidao.baidu.com/question/583049390
(3).https://medium.com/ccclub/ccclub-python-for-beginners-tutorial-bf0648108581
(4).https://www.opencli.com/perl/python-4-way-write-to-file
(5).https://ithelp.ithome.com.tw/articles/10195167?sc=iThelpR
(6).https://medium.com/@baubibi/%E9%80%9F%E8%A8%98ai%E8%AA%B2%E7%A8%8B-%E6%B7%B1%E5%BA%A6%E5%AD%B8%E7%BF%92%E5%85%A5%E9%96%80-%E4%BA%8C-954b0e473d7f
(7).https://brohrer.mcknote.com/zh-Hant/how_machine_learning_works/how_rnns_lstm_work.html
(1).爬蟲
https://rpubs.com/SatoshiLiang/159348
(2).R文字探勘
http://rpubs.com/JJChiou/textmining_1
(3).word文字處理
https://ithelp.ithome.com.tw/articles/10010560
(4).R網路爬蟲
http://www.hmwu.idv.tw/web/R/G01-hmwu_R-Crawler.pdf
(5).R文字探勘
https://www.slideshare.net/SeanYu15/r-85810879
(6).R文字探勘
https://medium.com/@pblcollect/r%E8%AA%9E%E8%A8%80%E6%96%87%E5%AD%97%E6%8E%A2%E5%8B%98-%E8%AA%9E%E6%84%8F%E5%88%86%E6%9E%90applying-on-mooc-%E5%AF%A6%E4%BD%9C-9a3e14523998
(7).R文字探勘
https://www.youtube.com/watch?v=kJJRIDZLrr8
(8).R文字探勘
https://mropengate.blogspot.com/2016/04/tf-idf-in-r-language.html
(9).R文字探勘
http://rstudio-pubs-static.s3.amazonaws.com/12422_b2b48bb2da7942acaca5ace45bd8c60c.html
(10).處理R內存
https://blog.csdn.net/weixin_43364556/article/details/103820792