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aggutils (version 1.0.2)

neymanAggCalc: Neyman Aggregation (Extremized)

Description

Takes the arithmetic mean of the log odds of the forecasts, then extremizes the mean by a factor d, where d is

(n*(sqrt((3n^2) - (3n) + 1) - 2))/(n^2 - n - 1)

where n is the number of forecasts.

Usage

neymanAggCalc(x)

Value

(numeric) The extremized mean of the vector

Arguments

x

Vector of forecasts in 0 to 100 range (%)

References

Neyman, E. and Roughgarden, T. (2021). Are you smarter than a random expert? The robust aggregation of substitutable signals: tools:::Rd_expr_doi("10.1145/3490486.3538243"). Also Jaime Sevilla's EAF post ``Principled extremizing of aggregated forecasts."