2021
DOI: 10.3390/sym13091635
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Bayesian Analysis of Partially Linear Additive Spatial Autoregressive Models with Free-Knot Splines

Abstract: This article deals with symmetrical data that can be modelled based on Gaussian distribution. We consider a class of partially linear additive spatial autoregressive (PLASAR) models for spatial data. We develop a Bayesian free-knot splines approach to approximate the nonparametric functions. It can be performed to facilitate efficient Markov chain Monte Carlo (MCMC) tools to design a Gibbs sampler to explore the full conditional posterior distributions and analyze the PLASAR models. In order to acquire a rapid… Show more

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Cited by 3 publications
(5 citation statements)
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“…DiMatteo et al [7] set conjugate priors for a, and integrated the coefficients out of the posterior analytically, leaving n and r as the unknowns to be sampled. Similar work can be seen in Fan et al [8], Poon and Wang [9], and Chen and Chen [10]. However, for most inverse problems, conjugate priors for the coefficients a are not available due to the nature of the forward model g. In some practical problems, like the recovery of continuous physical properties of the earth [11,12] or the inversion of pressure field on engineering structures [13], the forward model can be non-linear or implicit.…”
Section: Introductionmentioning
confidence: 74%
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“…DiMatteo et al [7] set conjugate priors for a, and integrated the coefficients out of the posterior analytically, leaving n and r as the unknowns to be sampled. Similar work can be seen in Fan et al [8], Poon and Wang [9], and Chen and Chen [10]. However, for most inverse problems, conjugate priors for the coefficients a are not available due to the nature of the forward model g. In some practical problems, like the recovery of continuous physical properties of the earth [11,12] or the inversion of pressure field on engineering structures [13], the forward model can be non-linear or implicit.…”
Section: Introductionmentioning
confidence: 74%
“…. Accept this proposal, m t = m * , based on the acceptance ratio with equation ( 6); otherwise, reject the proposal: m t = m t−1 ; (5) finally, update C t−1 to C t using equations (10) and (11).…”
Section: Methodsmentioning
confidence: 99%
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“…However, the relationship between the response variable and the explanatory variable is not always linear but also nonlinear. If the model ignores nonlinear functional forms, it can lead to inconsistent parameter estimators and inaccurate conclusions [7]. The nonparametric regression method is better suited for data with a nonlinear connection because it does not need linear assumptions.…”
Section: Introductionmentioning
confidence: 99%
“…According to the regression object of the model, the semiparametric spatial econometric model usually includes mean regression model and quantile regression model. Most of the spatial econometric models involved in the existing literature belong to the former [26][27][28][29]. The mean regression model can only reflect the location information of the conditional distribution of dependent variable and cannot describe its scale and shape.…”
Section: Introductionmentioning
confidence: 99%