Random Classification Noise does not defeat All Convex Potential Boosters Irrespective of Model Choice

Yishay Mansour, Richard Nock*, Robert C. Williamson

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

A landmark negative result of Long and Servedio has had a considerable impact on research and development in boosting algorithms, around the now famous tagline that”noise defeats all convex boosters”. In this paper, we appeal to the half-century+ founding theory of losses for class probability estimation, an extension of Long and Servedio's results and a new general convex booster to demonstrate that the source of their negative result is in fact the model class, linear separators. Losses or algorithms are neither to blame. This leads us to a discussion on an otherwise praised aspect of ML, parameterisation.

Original languageEnglish
Pages (from-to)23706-23742
Number of pages37
JournalProceedings of Machine Learning Research
Volume202
StatePublished - 2023
Event40th International Conference on Machine Learning, ICML 2023 - Honolulu, United States
Duration: 23 Jul 202329 Jul 2023

Funding

FundersFunder number
Deutsche Forschungsgemeinschaft390727645, 2064/1

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