Statistics and Computing

, Volume 20, Issue 1, pp 63–73

Non-linear regression models for Approximate Bayesian Computation

Article

DOI: 10.1007/s11222-009-9116-0

Cite this article as:
Blum, M.G.B. & François, O. Stat Comput (2010) 20: 63. doi:10.1007/s11222-009-9116-0

Abstract

Approximate Bayesian inference on the basis of summary statistics is well-suited to complex problems for which the likelihood is either mathematically or computationally intractable. However the methods that use rejection suffer from the curse of dimensionality when the number of summary statistics is increased. Here we propose a machine-learning approach to the estimation of the posterior density by introducing two innovations. The new method fits a nonlinear conditional heteroscedastic regression of the parameter on the summary statistics, and then adaptively improves estimation using importance sampling. The new algorithm is compared to the state-of-the-art approximate Bayesian methods, and achieves considerable reduction of the computational burden in two examples of inference in statistical genetics and in a queueing model.

Keywords

Likelihood-free inference Curse of dimensionality Feed forward neural networks Heteroscedasticity Coalescent models Approximate Bayesian computation Conditional density estimation Implicit statistical models Importance sampling Non-linear regression Indirect inference 

Supplementary material

11222_2009_9116_MOESM1_ESM.pdf (275 kb)
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Centre National de la Recherche ScientifiqueTIMC-IMAG, Faculty of Medicine of GrenobleLa TroncheFrance
  2. 2.Institut National Polytechnique de GrenobleTIMC-IMAG, Faculty of Medicine of GrenobleLa TroncheFrance

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