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作者 bugle 在 PTT [ Statistics ] 看板的留言(推文), 共278則
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6F推:R裡面存放的方式要完全改變,2-D的存放方式發揮不出R的效能07/18 22:52
7F→:要硬寫是可以,但處理起來就會比SAS慢很多07/18 22:53
1F推:proc append + macro + 迴圈07/01 19:50
2F推:The model is not of full rank.06/28 21:40
1F推:the Hessian was not positive definite 說得很清楚了06/18 07:12
1F推:在sas data step的設計上難以實踐,畢竟sas不是R06/09 22:08
3F→:你這個方法有點自己騙自己,因為對於R來說那是西元68年06/06 22:43
5F→:逗號是給SQL看的05/31 23:13
1F推:真有創意05/20 19:35
1F推:不合己用就自己來寫演算法有什麼不對?05/14 19:49
2F推:並不是05/13 22:24