2 papers
math.ST2026
A Theory of Nonparametric Covariance Function Estimation for Discretely Observed Data
Yoshikazu Terada, Atsutomo Yara
We study nonparametric covariance function estimation for functional data observed with noise at discrete locations on a -dimensional domain. Estimating the covariance function…
math.ST2025
Nonparametric logistic regression with deep learning
Atsutomo Yara, Yoshikazu Terada
Consider the nonparametric logistic regression problem. In the logistic regression, we usually consider the maximum likelihood estimator, and the excess risk is the expectation of…