Search Results for author: Oleksandr Zadorozhnyi

Found 4 papers, 0 papers with code

Online nonparametric regression with Sobolev kernels

no code implementations6 Feb 2021 Oleksandr Zadorozhnyi, Pierre Gaillard, Sebastien Gerschinovitz, Alessandro Rudi

In this work we investigate the variation of the online kernelized ridge regression algorithm in the setting of $d-$dimensional adversarial nonparametric regression.

regression

Efficient Regularized Piecewise-Linear Regression Trees

no code implementations29 Jun 2019 Leonidas Lefakis, Oleksandr Zadorozhnyi, Gilles Blanchard

We present a detailed analysis of the class of regression decision tree algorithms which employ a regulized piecewise-linear node-splitting criterion and have regularized linear models at the leaves.

regression Variable Selection

Restless dependent bandits with fading memory

no code implementations25 Jun 2019 Oleksandr Zadorozhnyi, Gilles Blanchard, Alexandra Carpentier

The analysis of slow mixing scenario is supported with a minmax lower bound, which (up to a $\log(T)$ factor) matches the obtained upper bound.

Concentration of weakly dependent Banach-valued sums and applications to statistical learning methods

no code implementations5 Dec 2017 Gilles Blanchard, Oleksandr Zadorozhnyi

We obtain a Bernstein-type inequality for sums of Banach-valued random variables satisfying a weak dependence assumption of general type and under certain smoothness assumptions of the underlying Banach norm.

Vocal Bursts Type Prediction

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