3 papers
stat.AP2025
Low-Rank Expectile Representations of a Data Matrix, with Application to Diurnal Heart Rates
Shuge Ouyang, Yunxuan Tang, Benjamin Osafo Agyare
Low-rank matrix factorization is a powerful tool for understanding the structure of 2-way data, and is usually accomplished by minimizing a sum of squares criterion. Expectile anal…
q-bio.GN2024
Hierarchical Classification for Predicting Metastasis Using Elastic-Net Regularization on Gene Expression Data
Benjamin Osafo Agyare, Alec Chu, Blessing Oloyede
Metastasis is a leading cause of cancer-related mortality and remains challenging to detect during early stages. Accurate identification of cancers likely to metastasize can improv…
stat.ME2024
Enhancing Computational Efficiency in High-Dimensional Bayesian Analysis: Applications to Cancer Genomics
Benjamin Osafo Agyare
In this study, we present a comprehensive evaluation of the Two-Block Gibbs (2BG) sampler as a robust alternative to the traditional Three-Block Gibbs (3BG) sampler in Bayesian shr…