Search Results for author: Sergiu Hart

Found 6 papers, 0 papers with code

Repeat Voting: Two-Vote May Lead More People To Vote

no code implementations29 Nov 2022 Sergiu Hart

A "repeat voting" procedure is proposed, whereby voting is carried out in two identical rounds.

Vocal Bursts Valence Prediction

Forecast Hedging and Calibration

no code implementations13 Oct 2022 Dean P. Foster, Sergiu Hart

Calibration means that forecasts and average realized frequencies are close.

Smooth Calibration, Leaky Forecasts, Finite Recall, and Nash Dynamics

no code implementations13 Oct 2022 Dean P. Foster, Sergiu Hart

We propose to smooth out the calibration score, which measures how good a forecaster is, by combining nearby forecasts.

Posterior Probabilities: Dominance and Optimism

no code implementations23 Sep 2022 Sergiu Hart, Yosef Rinott

The Bayesian posterior probability of the true state is stochastically dominated by that same posterior under the probability law of the true state.

Calibrated Forecasts: The Minimax Proof

no code implementations13 Sep 2022 Sergiu Hart

A formal write-up of the simple proof (1995) of the existence of calibrated forecasts by the minimax theorem, which moreover shows that $N^3$ periods suffice to guarantee a calibration error of at most $1/N$.

"Calibeating": Beating Forecasters at Their Own Game

no code implementations11 Sep 2022 Dean P. Foster, Sergiu Hart

In order to identify expertise, forecasters should not be tested by their calibration score, which can always be made arbitrarily small, but rather by their Brier score.

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