已有一支股票的每日收盘价,怎样用stata计算它的的月平均收益率,部分数据如下:
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/844835803/QQ/WinTemp/RichOle/XFM34%7BMS[2G_Q_VYN6AQJYV.jpg[/img]
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[时间序列问题] 怎样用stata计算股票的月平均收益率 |
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讲师 84%
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