Statistics and Computing

, Volume 29, Issue 3, pp 501–516 | Cite as

A consistent and numerically efficient variable selection method for sparse Poisson regression with applications to learning and signal recovery

  • Sabrina GuastavinoEmail author
  • Federico Benvenuto


We propose an adaptive \(\ell _1\)-penalized estimator in the framework of Generalized Linear Models with identity-link and Poisson data, by taking advantage of a globally quadratic approximation of the Kullback-Leibler divergence. We prove that this approximation is asymptotically unbiased and that the proposed estimator has the variable selection consistency property in a deterministic matrix design framework. Moreover, we present a numerically efficient strategy for the computation of the proposed estimator, making it suitable for the analysis of massive counts datasets. We show with two numerical experiments that the method can be applied both to statistical learning and signal recovery problems.


Adaptive regularization Lasso Model selection Sparse Poisson regression Statistical learning Image processing 

Mathematics Subject Classification

62G08 62G20 62J07 



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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of MathematicsUniversita’ degli Studi di GenovaGenovaItaly

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