Check an econometrics text book which has a cd for data, includi

來源: zhuzhuhamster 於 2013-04-17 18:26:35 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (92 bytes)

The size of a sample depends on your situation, usually 300 is enough.
 

請您先登陸，再發跟帖！