Bayesian Loss Function Research Articles

An adaptive Bayesian approach for improved sensitivity in joint monitoring of mean and variance using Max-EWMA control chart

This article introduces an adaptive approach within the Bayesian Max-EWMA control chart framework. Various Bayesian loss functions were used to jointly monitor process deviations from the mean and variance of normally distributed processes. Our study proposes the mechanism of using a function-based adaptive method that picks self-adjusting weights incorporated in Bayesian Max-EWMA for the estimation of mean and variance. This adaptive mechanism significantly enhances the effectiveness and sensitivity of the Max-EWMA chart in detecting process shifts in both the mean and dispersion. The Monte Carlo simulation technique was used to calculate the run-length profiles of different combinations. A comparative performance analysis with an existing chart demonstrates its effectiveness. A practical example from the hard-bake process in semiconductor manufacturing is presented for practical context and illustration of the chart settings and performance. The empirical results showcase the superior performance of the Adaptive Bayesian Max-EWMA control chart in identifying out-of-control signals. The chart’s ability to jointly monitor the mean and variance of a process, its adaptive nature, and its Bayesian framework make it a useful and effective control chart.

A Bayesian-Loss Function (Blf) Hybrid Model for Assessing the Marine Liability Regime for Ship-Source Oil Spills in the Arctic

A Bayesian-Loss Function (Blf) Hybrid Model for Assessing the Marine Liability Regime for Ship-Source Oil Spills in the Arctic

Bayesian Loss Functions for Structure Choice

This paper investigates the use of loss functions for choosing an optimal structure. It shows that the variability of the estimate of reliability can be important in the choice.