Search Results for author: Ray-Bing Chen

Found 4 papers, 0 papers with code

The Variational Bayesian Inference for Network Autoregression Models

no code implementations18 Feb 2021 Wei-Ting Lai, Ray-Bing Chen, Ying Chen, Thorsten Koch

We develop a variational Bayesian (VB) approach for estimating large-scale dynamic network models in the network autoregression framework.

Bayesian Inference Computational Efficiency

Finding Optimal Points for Expensive Functions Using Adaptive RBF-Based Surrogate Model Via Uncertainty Quantification

no code implementations19 Jan 2020 Ray-Bing Chen, Yu-An Wang, C. F. Jeff Wu

Then it utilizes a model-guided selection criterion to identify a new point from a candidate set for function evaluation.

Uncertainty Quantification

Greedy Active Learning Algorithm for Logistic Regression Models

no code implementations1 Feb 2018 Hsiang-Ling Hsu, Yuan-Chin Ivan Chang, Ray-Bing Chen

Our numerical results show that the proposed procedure has competitive performance, with smaller training size and a more compact model, comparing with that of the classifier trained with all variables and a full data set.

Active Learning Binary Classification +4

Multiple-Instance Logistic Regression with LASSO Penalty

no code implementations13 Jul 2016 Ray-Bing Chen, Kuang-Hung Cheng, Sheng-Mao Chang, Shuen-Lin Jeng, Ping-Yang Chen, Chun-Hao Yang, Chi-Chun Hsia

In this work, we consider a manufactory process which can be described by a multiple-instance logistic regression model.

regression

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