經濟成長議題 - 經濟
By Suhail Hany
at 2011-06-05T17:19
at 2011-06-05T17:19
Table of Contents
在下因為修了某堂課
期末需要報告,不巧抽到了"經濟成長"
努力把可能的景氣指標和基本面變數放入迴歸式當中
跑一次迴歸,發現大部分都不顯著
如果改只放少數幾項是很顯著(但很可能有遺漏變數問題...)
我想這就是data mining的課題
但問題是,很不幸的,我發現我的變數間都有極高的相關性...
(其實想一想,憑直覺也能知道這些都是環環相扣的...)
這樣跑出來的結果應該是很讓人詬病的,這就是我面臨的問題
所以想請問有沒有改善的方法,或是有什麼更好的解釋變數呢?
ps.我用的是台灣的資料,被解釋變數用GDP per capita
懇請指教
--
期末需要報告,不巧抽到了"經濟成長"
努力把可能的景氣指標和基本面變數放入迴歸式當中
跑一次迴歸,發現大部分都不顯著
如果改只放少數幾項是很顯著(但很可能有遺漏變數問題...)
我想這就是data mining的課題
但問題是,很不幸的,我發現我的變數間都有極高的相關性...
(其實想一想,憑直覺也能知道這些都是環環相扣的...)
這樣跑出來的結果應該是很讓人詬病的,這就是我面臨的問題
所以想請問有沒有改善的方法,或是有什麼更好的解釋變數呢?
ps.我用的是台灣的資料,被解釋變數用GDP per capita
懇請指教
--
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經濟
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at 2011-06-09T04:03
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