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Bayesian Analysis for Dynamic Generalized Linear Latent Model with Application to Tree Survival Rate.

Authors :
Yu-sheng Cheng
Mei-wen Ding
Ye-mao Xia
Wen-fa Zhan
Source :
Journal of Applied Mathematics; 2014, p1-8, 8p
Publication Year :
2014

Abstract

Logistic regression model is the most popular regression technique, available for modeling categorical data especially for dichotomous variables. Classic logistic regression model is typically used to interpret relationship between response variables and explanatory variables. However, in real applications, most data sets are collected in follow-up, which leads to the temporal correlation among the data. In order to characterize the different variables correlations, a new method about the latent variables is introduced in this study. At the same time, the latent variables about AR (1) model are used to depict time dependence. In the framework of Bayesian analysis, parameters estimates and statistical inferences are carried out via Gibbs sampler with Metropolis- Hastings (MH) algorithm. Model comparison, based on the Bayes factor, and forecasting/smoothing of the survival rate of the tree are established. A simulation study is conducted to assess the performance of the proposed method and a pika data set is analyzed to illustrate the real application. Since Bayes factor approaches vary significantly, efficiency tests have been performed in order to decide which solution provides a better tool for the analysis of real relational data sets. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
1110757X
Database :
Complementary Index
Journal :
Journal of Applied Mathematics
Publication Type :
Academic Journal
Accession number :
100493445
Full Text :
https://doi.org/10.1155/2014/783494