作者查詢 / pigchang
作者 pigchang 在 PTT [ Statistics ] 看板的留言(推文), 共54則
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1F推:離散型分配用定義就很容易導了喔~~08/24 02:46
11F→:...........06/22 19:41
2F→:......06/21 16:15
5F→:我的model是非線性含交互項...-0-"06/23 22:55
6F→:只想確認此種model要怎麼算VIF, 還是根本不存在VIF?06/23 22:56
2F→:我用SPSS... 不好意思忘了講06/11 16:45
5F推:就是代表回歸線有沒有通過原點啊...05/29 01:01
1F推:我是念韓旭的啦...不過是因為上過它的課XD05/03 21:25
3F推:想要較多一步步推導的還是找原文比較好-0-"05/04 02:26
4F→:Ex: Hillier或Taha這兩本聖經05/04 02:27
1F推:你必須先用Bartlett's test檢定北-中-南三地變異數是否05/02 12:24
2F→:全相等... 之後用單因子實驗設計應該就能了-0-"05/02 12:25
3F→:否則就不能用ANOVA做05/02 12:27
6F推:建議用svm的regression模式, 這是從統計學習理論發展出的05/02 11:38
7F→:演算法, 尤以結構風險最小化為優勢... 用於股票方面預測05/02 11:39
8F→:也有不少文獻顯示績效不錯...05/02 11:40
3F推:.....05/02 11:45
4F推:建議組間用t-test; 主管間再用單因子anova...-0-"05/02 12:50