Showing stat.MLShow all
2 papers · 1 filter
stat.ML2025
Adaptively-weighted Nearest Neighbors for Matrix Completion
Tathagata Sadhukhan, Manit Paul, Raaz Dwivedi
In this technical note, we introduce and analyze AWNN: an adaptively weighted nearest neighbor method for performing matrix completion. Nearest neighbor (NN) methods are widely use…
stat.ML2024
Two-Sided Nearest Neighbors: An adaptive and minimax optimal procedure for matrix completion
Tathagata Sadhukhan, Manit Paul, Raaz Dwivedi
Nearest neighbor (NN) algorithms have been extensively used for missing data problems in recommender systems and sequential decision-making systems. Prior theoretical analysis has…