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- UID
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- 帖子
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- 主题
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- 2011-7-2
- 最后登录
- 2014-6-27
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Pros
RBSA
characterizes portfolio
can compare portfolio
same for holdings based except sub. securities for portfolio
cons
RBSA
style drift causes accuracy problems
Holdings based
need more data than RBSA |
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发表于 2013-5-3 14:33
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