Just Train Twice: Improving Group Robustness
without Training Group Information
Evan Zheran Liu * 1 Behzad Haghgoo * 1 Annie S. Chen * 1 Aditi Raghunathan 1 Pang Wei Koh 1
Shiori Sagawa 1 Percy Liang 1 Chelsea Finn 1
Abstract can be especially pronounced in the presence of spurious
Standard training via empirical risk minimization correlations. For example, in the task of classifying whether
(ERM) can produce models th ...


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