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[r/ML] "I don't know!": Teaching neural networks to abstain with the HALO-Loss. [R]

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Summary

Current neural networks confidently hallucinate when given garbage data because the standard Cross-Entropy loss creates a jagged latent space, leaving no mathematical 'place' for uncertain inputs. This fundamental geometry problem prevents models from admitting they don't know. The author is developing a 'HALO-Loss' to fix this, enabling neural networks to abstain and improve reliability.

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