Search Results for author: Charles Tillier

Found 3 papers, 0 papers with code

Hidden regular variation for point processes and the single/multiple large point heuristic

no code implementations12 Feb 2021 Clément Dombry, Charles Tillier, Olivier Wintenberger

We consider regular variation for marked point processes with independent heavy-tailed marks and prove a single large point heuristic: the limit measure is concentrated on the cone of point measures with one single point.

Point Processes Probability

Weighted Empirical Risk Minimization: Sample Selection Bias Correction based on Importance Sampling

no code implementations12 Feb 2020 Robin Vogel, Mastane Achab, Stéphan Clémençon, Charles Tillier

We consider statistical learning problems, when the distribution $P'$ of the training observations $Z'_1,\; \ldots,\; Z'_n$ differs from the distribution $P$ involved in the risk one seeks to minimize (referred to as the test distribution) but is still defined on the same measurable space as $P$ and dominates it.

Selection bias Transfer Learning

Weighted Empirical Risk Minimization: Transfer Learning based on Importance Sampling

no code implementations25 Sep 2019 Robin Vogel, Mastane Achab, Charles Tillier, Stéphan Clémençon

We consider statistical learning problems, when the distribution $P'$ of the training observations $Z'_1,\; \ldots,\; Z'_n$ differs from the distribution $P$ involved in the risk one seeks to minimize (referred to as the \textit{test distribution}) but is still defined on the same measurable space as $P$ and dominates it.

Transfer Learning

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