Bayesian expectile regression with asymmetric normal distribution

Ji-Ji Xing and Xi-Yuan Qian

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 9, 4545-4555

Abstract: In this paper, we adopt the Bayesian approach to expectile regression employing a likelihood function that is based on an asymmetric normal distribution. We demonstrate that improper uniform priors for the unknown model parameters yield a proper joint posterior. Three simulated data sets were generated to evaluate the proposed method which show that Bayesian expectile regression performs well and has different characteristics comparing with Bayesian quantile regression. We also apply this approach into two real data analysis.

Date: 2017
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DOI: 10.1080/03610926.2015.1088030

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