标题:
arithmetic VS geometric
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作者:
lawrens
时间:
2008-10-22 06:36
标题:
arithmetic VS geometric
大家好,有个问题想问一问的,如果题目给出 arithmetic mean 和geometric mean, 在计算coefficient of variation 和sharp ratio时应该用哪一个mean呢?谢谢
作者:
xxjj564
时间:
2011-3-18 13:15
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