3 papers
stat.ME2025
Statistical Inference of the Matthews Correlation Coefficient for Multiclass Classification
Jun Tamura, Yuki Itaya, Kenichi Hayashi +1
Classification problems are essential statistical tasks that form the foundation of decision-making across various fields, including patient prognosis and treatment strategies for…
stat.ME2025
On a class of binary regression models and their robust estimation
Kenichi Hayashi, Shinto Eguchi
A robust estimation framework for binary regression models is studied, aiming to extend traditional approaches like logistic regression models. While previous studies largely focus…
stat.ME2025
Robust Estimation of Item Parameters via Divergence Measures in Item Response Theory
Yuki Itaya, Kenichi Hayashi
Marginal maximum likelihood estimation (MMLE) in item response theory (IRT) is highly sensitive to aberrant responses, such as careless answering and random guessing, which can red…