4 papers
Cyclic Adaptive Private Synthesis for Sharing Real-World Data in Education
Hibiki Ito, Chia-Yu Hsu, Hiroaki Ogata
The rapid adoption of digital technologies has greatly increased the volume of real-world data (RWD) in education. While these data offer significant opportunities for advancing le…
The Third-Party Access Effect: An Overlooked Challenge in Secondary Use of Educational Real-World Data
Hibiki Ito, Chia-Yu Hsu, Hiroaki Ogata
Secondary use of growing real-world data (RWD) in education offers significant opportunities for research, yet privacy practices intended to enable third-party access to such RWD a…
Local Fr'echet Regression via RKHS embedding and Its Applications to Data Analysis on Manifolds
Yuki Iida, Hiroshi Shiraishi, Hiroaki Ogata
Local Fr'echet Regression (LFR) is a nonparametric regression method for settings in which the explanatory variable lies in a Euclidean space and the response variable lies in a me…
Pair circulas modelling for multivariate circular time series
Hiroaki Ogata
Modelling multivariate circular time series is considered. The cross-sectional and serial dependence is described by circulas, which are analogs of copulas for circular distributio…