2 papers
math.ST2025
Convergence rate for Nearest Neighbour matching: geometry of the domain and higher-order regularity
Simon Viel, Lionel Truquet, Ikko Yamane
Estimating some mathematical expectations from partially observed data and in particular missing outcomes is a central problem encountered in numerous fields such as transfer learn…
stat.ML2023
Nearest Neighbor Sampling for Covariate Shift Adaptation
François Portier, Lionel Truquet, Ikko Yamane
Many existing covariate shift adaptation methods estimate sample weights given to loss values to mitigate the gap between the source and the target distribution. However, estimatin…