[問題] 原文題目解釋一下

看板Statistics作者 (恬靜悠閒)時間18年前 (2007/12/08 23:20), 編輯推噓1(101)
留言2則, 2人參與, 最新討論串1/1
a) Using OLS,fit asimple linear regression equation to these data 這是要寫簡單迴歸假設模型吧? b)Discuss your results in terms of: 1.β1 hat (寫出β1的...CI?) 2.r^2 (寫出r^2值) 3.the significance of the fitted model 檢定β1 = 0 c)Determine whether of not the assumption of independence of residuals neccessary for ordinary least-square analysis appear to have been violated 1.by plotting the residuals against time 畫出殘差圖? 2.by perfor ming the Durbin-Watson test 用DW檢定上殘差圖 d)If appropriate , remove the autocorrelation by using: 1.the Cochrane-Orcutt method 如果有自相關,手cochrane-Orcutt法做 2.the SAS AUTOREG iterative estimation procedure. 用SAS迴歸估計自我相關? 麻煩一下,謝謝^^" -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 163.25.135.136 ※ 編輯: chrisjon 來自: 163.25.135.136 (12/08 23:20)

12/09 03:06, , 1F
b1應該就只是點估計吧
12/09 03:06, 1F

12/09 13:49, , 2F
我知道每題的問題了^^ 謝謝
12/09 13:49, 2F
文章代碼(AID): #17MhP5Rk (Statistics)