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Aggregating predictions from experts: a review of statistical methods, experiments, and applications
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2021
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Source: Wiley Interdiscip Rev Comput Stat. 13(2)
[PDF-1.51 MB]
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Alternative Title:Wiley Interdiscip Rev Comput Stat
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Description:Forecasts support decision making in a variety of applications. Statistical models can produce accurate forecasts given abundant training data, but when data is sparse or rapidly changing, statistical models may not be able to make accurate predictions. Expert judgmental forecasts-models that combine expert-generated predictions into a single forecast-can make predictions when training data is limited by relying on human intuition. Researchers have proposed a wide array of algorithms to combine expert predictions into a single forecast, but there is no consensus on an optimal aggregation model. This review surveyed recent literature on aggregating expert-elicited predictions. We gathered common terminology, aggregation methods, and forecasting performance metrics, and offer guidance to strengthen future work that is growing at an accelerated pace.
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Pubmed ID:33777310
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Pubmed Central ID:PMC7996321
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Volume:13
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Issue:2
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