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math.ST2026
Ratio Covers of Convex Sets and Optimal Mixture Density Estimation
Spencer Compton, Gábor Lugosi, Jaouad Mourtada +2
We study density estimation in Kullback-Leibler divergence: given an i.i.d. sample from an unknown density , the goal is to construct an estimator such that…
math.ST2024
Finite-sample performance of the maximum likelihood estimator in logistic regression
Hugo Chardon, Matthieu Lerasle, Jaouad Mourtada
Logistic regression is a classical model for describing the probabilistic dependence of binary responses to multivariate covariates. We consider the predictive performance of the m…
math.ST2020
Asymptotics of Ridge (less) Regression under General Source Condition
Dominic Richards, Jaouad Mourtada, Lorenzo Rosasco
We analyze the prediction error of ridge regression in an asymptotic regime where the sample size and dimension go to infinity at a proportional rate. In particular, we consider th…