Results 21 to 30 of about 9,896 (259)

Bayesian composite quantile regression for the single-index model.

open access: yesPLoS ONE, 2023
By using a Gaussian process prior and a location-scale mixture representation of the asymmetric Laplace distribution, we develop a Bayesian analysis for the composite quantile single-index regression model.
Xiaohui Yuan, Xuefei Xiang, Xinran Zhang
doaj   +1 more source

A Bayesian hurdle quantile regression model for citation analysis with mass points at lower values

open access: yesQuantitative Science Studies, 2021
Quantile regression presents a complete picture of the effects on the location, scale, and shape of the dependent variable at all points, not just the mean.
Marzieh Shahmandi   +2 more
doaj   +1 more source

Bayesian adaptive Lasso quantile regression [PDF]

open access: yesStatistical Modelling, 2012
Recently, variable selection by penalized likelihood has attracted much research interest. In this paper, we propose adaptive Lasso quantile regression (BALQR) from a Bayesian perspective. The method extends the Bayesian Lasso quantile regression by allowing different penalization parameters for different regression coefficients.
R. ALHAMZAWI, K. YU, D. F. BENOIT
openaire   +4 more sources

Simulation Study The Using of Bayesian Quantile Regression in Nonnormal Error

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2018
The purposes of this paper is  to introduce the ability of the Bayesian quantile regression method in overcoming the problem of the nonnormal errors using asymmetric laplace distribution on simulation study.
Catrin Muharisa   +2 more
doaj   +1 more source

Quantile Regression Neural Networks: A Bayesian Approach [PDF]

open access: yesJournal of Statistical Theory and Practice, 2021
This article introduces a Bayesian neural network estimation method for quantile regression assuming an asymmetric Laplace distribution (ALD) for the response variable. It is shown that the posterior distribution for feedforward neural network quantile regression is asymptotically consistent under a misspecified ALD model. This consistency proof embeds
S. R. Jantre, S. Bhattacharya, T. Maiti
openaire   +2 more sources

A Bayesian Binary reciprocal LASSO quantile regression (with practical application)

open access: yesJournal of Kufa for Mathematics and Computer, 2023
Quantile regression is one of the methods that has taken a wide space in application in the previous two decades because of the attractive features of these methods to researchers, as it is not affected by outliers values, meaning that it is considered ...
Mohammed Kahnger, Ahmad Naeem Flaih
doaj   +1 more source

Bayesian variable selection in linear quantile mixed models for longitudinal data with application to macular degeneration.

open access: yesPLoS ONE, 2020
This paper presents a Bayesian analysis of linear mixed models for quantile regression based on a Cholesky decomposition for the covariance matrix of random effects.
Yonggang Ji, Haifang Shi
doaj   +1 more source

Bayesian quantile regression for single-index models [PDF]

open access: yesStatistics and Computing, 2012
Using an asymmetric Laplace distribution, which provides a mechanism for Bayesian inference of quantile regression models, we develop a fully Bayesian approach to fitting single-index models in conditional quantile regression. In this work, we use a Gaussian process prior for the unknown nonparametric link function and a Laplace distribution on the ...
Yuao Hu, Robert B. Gramacy, Heng Lian
openaire   +4 more sources

Bayesian lasso binary quantile regression

open access: yesComputational Statistics, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dries F. Benoit   +2 more
openaire   +2 more sources

Anomaly Detection in Health Insurance Claims Using Bayesian Quantile Regression

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2021
Research has shown that current health expenditure in most countries, especially in sub-Saharan Africa, is inadequate and unsustainable. Yet, fraud, abuse, and waste in health insurance claims by service providers and subscribers threaten the delivery of
Ezekiel N. N. Nortey   +4 more
doaj   +1 more source

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