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stat.CO2025
An hybrid stochastic Newton algorithm for logistic regression
Bernard Bercu, Luis Fredes, Eméric Gbaguidi
In this paper, we investigate a second-order stochastic algorithm for solving large-scale binary classification problems. We propose to make use of a new hybrid stochastic Newton a…
math.PR2025
A new look on large deviations and concentration inequalities for the Ewens-Pitman model
Bernard Bercu, Stefano Favaro
The Ewens-Pitman model is a probability distribution for random partitions of the set , parameterized by and , with corresponding to the…