D1. The weight 1 / p(u|b): rebalancing the table

D1. The weight 1 / p(u|b): rebalancing the table Lesson 9 of 14 in "Revisiting the Dataset Bias Problem, from scratch". Paper: Do, Nguyen, Le et al., "Revisiting the Dataset Bias Problem from a Statistical Perspective", https://arxiv.org/abs/2402.03577