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Dr Fredrik Hellstrom, UCL 
Wednesday 05 February 2025, 14:00-15:00
Generalization and Informativeness of Conformal Prediction
- đ¤ Speaker: Dr Fredrik Hellstrom, UCL đ Website
- đ Date & Time: Wednesday 05 February 2025, 14:00 - 15:00
- đ Venue: MR5, CMS Pavilion A
Abstract
A popular technique for uncertainty quantification is conformal prediction, which converts point predictions into set predictions that are guaranteed to contain the true label of a test input with a user-defined probability. However, the size of the predicted set—-and thus the informativeness of the prediction—-is not controlled. In this talk, we present a theoretical connection between the informativeness of conformal prediction sets and generalization properties of the underlying model. Furthermore, we extend this analysis to conformal risk control and covariate shifts. The results provide insight into the effect of task-specific quantities and algorithmic hyperparameters, which we also illustrate via experiments.
Series This talk is part of the Information Theory Seminar series.
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