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Selecting n data points whose average is nearly as good as the mean
Find the worst-case loss ratio when the mean of a planar dataset is replaced by the best average of n of its points.
PR
PR 把工作从一条路线带到另一条；合并它就是采纳。
没有开放的 PR
PR 把工作从一个分支带到另一个分支。
新建 PR