no code implementations • 21 Sep 2023 • Elisabeth Gassiat, Ibrahim Kaddouri, Zacharie Naulet
The aim of this work is to study the Bayes risk of clustering when using HMMs and to propose associated clustering procedures.
no code implementations • 24 Jun 2021 • Kweku Abraham, Zacharie Naulet, Elisabeth Gassiat
We study the frontier between learnable and unlearnable hidden Markov models (HMMs).
no code implementations • 31 Dec 2019 • Yasaman Mahdaviyeh, Zacharie Naulet
We study risk of the minimum norm linear least squares estimator in when the number of parameters $d$ depends on $n$, and $\frac{d}{n} \rightarrow \infty$.
1 code implementation • 6 Dec 2017 • Victor Veitch, Ekansh Sharma, Zacharie Naulet, Daniel M. Roy
A variety of machine learning tasks---e. g., matrix factorization, topic modelling, and feature allocation---can be viewed as learning the parameters of a probability distribution over bipartite graphs.
1 code implementation • 5 Dec 2017 • Zacharie Naulet, Ekansh Sharma, Victor Veitch, Daniel M. Roy
Graphex processes resolve some pathologies in traditional random graph models, notably, providing models that are both projective and allow sparsity.
Statistics Theory Statistics Theory Primary 62F10, secondary 60G55, 60G70