The paper decomposes errors in trajectory-based data attribution into config, algorithm, and system levels, proposes AdamW-influence to fix optimizer mismatch, derives an error proxy for Taylor approximation, and unifies data selection under a K-step look-ahead framework.
Both belong to a single second-order remainder off t,i and are not independent error sources
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How Faithful Is Trajectory-Based Data Attribution? Error Sources, Remedies, and Practical Guidelines
The paper decomposes errors in trajectory-based data attribution into config, algorithm, and system levels, proposes AdamW-influence to fix optimizer mismatch, derives an error proxy for Taylor approximation, and unifies data selection under a K-step look-ahead framework.