美股相關
Posted in Stock on September 28th, 2017 by Banbanlihttps://xueqiu.com/talks/all
http://iusastock.blogspot.tw/2017/09/
https://xueqiu.com/talks/all
http://iusastock.blogspot.tw/2017/09/
http://rpubs.com/skyking363/291240
http://ithelp.ithome.com.tw/users/20103434/ironman/1056
http://www.cc.ntu.edu.tw/chinese/epaper/0030/20140920_3006.html (show how to build the R file as a library)