Contradictory predictions.

Contradictory predictions.
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相互矛盾的预测。

DOI:
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发表时间:
2019
期刊:
影响因子:
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通讯作者:
Soumik Pal
Soumik Pal
中科院分区:
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文献类型:
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作者:
K. Burdzy;Soumik Pal

文献摘要

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我们证明了锐界的概率,两个专家谁可以访问不同的信息,代表不同的$\sigma$-字段,将从根本上不同的估计事件的概率。当人们在一个共同的概率空间中组合来自不同专家的预测以获得聚合预测时,这是相关的。我们的证明是建设性的意义上说,不仅证明了尖锐的界限,但也通过一个明确的算法构造的优化。
We prove the sharp bound for the probability that two experts who have access to different information, represented by different $\sigma$-fields, will give radically different estimates of the probability of an event. This is relevant when one combines predictions from various experts in a common probability space to obtain an aggregated forecast. Our proof is constructive in the sense that, not only the sharp bounds are proved, but also the optimizer is constructed via an explicit algorithm.