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

來源: zhuzhuhamster 於 2013-04-17 18:26:35 [檔案] [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次 (92 bytes)

回答: 請問各位大師，怎麽樣可以找到足夠量的好的數據由追書於 2013-04-17 01:07:08

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

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