Search Results - "STOLTZ, Gilles"
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1
Pure exploration in finitely-armed and continuous-armed bandits
Published in Theoretical computer science (22-04-2011)“…We consider the framework of stochastic multi-armed bandit problems and study the possibilities and limitations of forecasters that perform an on-line…”
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2
Ozone ensemble forecast with machine learning algorithms
Published in Journal of Geophysical Research (16-03-2009)“…We apply machine learning algorithms to perform sequential aggregation of ozone forecasts. The latter rely on a multimodel ensemble built for ozone forecasting…”
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3
A Geometric Proof of Calibration
Published in Mathematics of operations research (01-11-2010)“…We provide yet another proof of the existence of calibrated forecasters; it has two merits. First, it is valid for an arbitrary finite number of outcomes…”
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DO COUNTRIES FALSIFY ECONOMIC DATA STRATEGICALLY? SOME EVIDENCE THAT THEY MIGHT
Published in The review of economics and statistics (01-05-2013)“…Using Benford's law, we find evidence supporting the hypothesis that countries at times misreport their economic data strategically. We group countries with…”
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5
Fundamentals and exchange rate forecastability with simple machine learning methods
Published in Journal of international money and finance (01-11-2018)“…•Machine learning methods used to forecast end-of-month exchange rates 1-month forward.•Fundamentals from PPP, UIRP and Taylor-rule models allow to beat the…”
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6
The van Trees Inequality in the Spirit of Hájek and Le Cam
Published in Statistical science (01-11-2024)“…We work out a version of the van Trees inequality in a Hajek--Le Cam spirit, i.e., under minimal assumptions that, in particular, involve no direct pointwise…”
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7
Adaptation to the Range in $K$-Armed Bandits
Published 01-01-2023“…We consider stochastic bandit problems with $K$ arms, each associated with a bounded distribution supported on the range $[m,M]$. We do not assume that the…”
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KULLBACK-LEIBLER UPPER CONFIDENCE BOUNDS FOR OPTIMAL SEQUENTIAL ALLOCATION
Published in The Annals of statistics (01-06-2013)“…We consider optimal sequential allocation in the context of the so-called stochastic multi-armed bandit model. We describe a generic index policy, in the sense…”
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Fano's Inequality for Random Variables
Published in Statistical science (01-05-2020)“…We extend Fano's inequality, which controls the average probability of events in terms of the average of some 𝑓-divergences, to work with arbitrary events…”
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10
Modeling dwell time in a data-rich railway environment: With operations and passenger flows data
Published in Transportation research. Part C, Emerging technologies (01-01-2023)“…We model dwell times for trains subject to a possibly dense timetable based on a rich data set containing both railway operations variables and passenger flows…”
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11
Forecasting electricity consumption by aggregating specialized experts: A review of the sequential aggregation of specialized experts, with an application to Slovakian and French country-wide one-day-ahead (half-)hourly predictions
Published in Machine learning (01-02-2013)“…We consider the setting of sequential prediction of arbitrary sequences based on specialized experts. We first provide a review of the relevant literature and…”
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12
Improved second-order bounds for prediction with expert advice
Published in Machine learning (01-03-2007)“…Issue Title: Special Issue on Learning Theory This work studies external regret in sequential prediction games with both positive and negative payoffs…”
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13
Do Countries Falsify Economic Data Strategically? Some Evidence That They Might
Published in The review of economics and statistics (01-05-2013)“…Using Benford's law, we find evidence supporting the hypothesis that countries at times misreport their economic data strategically. We group countries with…”
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14
Sequential model aggregation for production forecasting
Published in Computational geosciences (01-10-2019)“…Production forecasting is a key step to design the future development of a reservoir. A classical way to generate such forecasts consists in simulating future…”
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15
Learning correlated equilibria in games with compact sets of strategies
Published in Games and economic behavior (01-04-2007)“…Hart and Schmeidler's extension of correlated equilibrium to games with infinite sets of strategies is studied. General properties of the set of correlated…”
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16
Guest Editors' foreword
Published in Theoretical computer science (13-11-2014)Get full text
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17
Internal regret in on-line portfolio selection
Published in Machine learning (01-05-2005)“…This paper extends the game-theoretic notion of internal regret to the case of on-line potfolio selection problems. New sequential investment strategies are…”
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18
The van Trees inequality in the spirit of Hajek and Le Cam
Published 09-02-2024“…We work out a version of the van Trees inequality in a Hajek--Le Cam spirit, i.e., under minimal assumptions that, in particular, involve no direct pointwise…”
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19
Regret Minimization Under Partial Monitoring
Published in Mathematics of operations research (01-08-2006)“…We consider repeated games in which the player, instead of observing the action chosen by the opponent in each game round, receives a feedback generated by the…”
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20
Forecasting electricity consumption by aggregating specialized experts
Published in Machine learning (2013)“…We consider the setting of sequential prediction of arbitrary sequences based on specialized experts. We first provide a review of the relevant literature and…”
Get full text
Journal Article