Research

Low-Rank Expectile Representations of a Data Matrix, with Application to Diurnal Heart Rates
Low-rank matrix factorization is a powerful tool for understanding the structure of 2-way data, and is usually accomplished by …
Shuge Ouyang, Yunxuan Tang, Benjamin Osafo Agyare
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Low-Rank Expectile Representations of a Data Matrix, with Application to Diurnal Heart Rates
Enhancing Computational Efficiency in High-Dimensional Bayesian Analysis: Applications to Cancer Genomics
In this study, we present a comprehensive evaluation of the Two-Block Gibbs (2BG) sampler as a robust alternative to the traditional …
Benjamin Osafo Agyare
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Enhancing Computational Efficiency in High-Dimensional Bayesian Analysis: Applications to Cancer Genomics
Hierarchical Classification for Predicting Metastasis Using Elastic-Net Regularization on Gene Expression Data
Metastasis is a leading cause of cancer-related mortality and remains challenging to detect during early stages. Accurate …
Benjamin Osafo Agyare, Alec Chu, Blessing I. Oloyede
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Hierarchical Classification for Predicting Metastasis Using Elastic-Net Regularization on Gene Expression Data
A Distributed Optimization Package for R
In distributed optimization, there is a global objective function that is expressed as a sum of local objective functions, each of …
Benjamin Osafo Agyare, Eduardo Ochoa, Victor Verma
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A Distributed Optimization Package for R
A Bayesian Hierarchical Model for US Election Data
We compare federal election results for each state versus the USA in every second year from 1992 to 2016 to model partisan lean of each …
Benjamin Osafo Agyare, Connor Dayton, Jaucelyn Canfield
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A Bayesian Hierarchical Model for US Election Data
Boston Crime Data Analysis: Monthly Prediction with Autoregressive Integrated Moving Average and Gaussian Process Regression
We compare predictions from an Autoregressive (AR) Model and a Gaussian Process Regression (GPR) Model based on Exploratory Data …
Benjamin Osafo Agyare, Ilaria Vinci, Francesco Zuniga
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Boston Crime Data Analysis: Monthly Prediction with Autoregressive Integrated Moving Average and Gaussian Process Regression
A Survival Analysis of the Surrender of Life Insurance Policies of Life Insurance Companies in Ghana
In recent years, life insurance companies in Ghana have had to grapple with the challenge of policy surrenders, as the rate keeps …
Benjamin Osafo Agyare, David Kweku
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A Survival Analysis of the Surrender of Life Insurance Policies of Life Insurance Companies in Ghana