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Estimating Model Performance Under Covariate Shift Without Labels
May 13, 2024, 4:42 a.m. | Jakub Bia{\l}ek, Wojtek Kuberski, Nikolaos Perrakis, Albert Bifet
cs.LG updates on arXiv.org arxiv.org
Abstract: Machine learning models often experience performance degradation post-deployment due to shifts in data distribution. It is challenging to assess post-deployment performance accurately when labels are missing or delayed. Existing proxy methods, such as drift detection, fail to measure the effects of these shifts adequately. To address this, we introduce a new method for evaluating classification models on unlabeled data that accurately quantifies the impact of covariate shift on model performance and call it Probabilistic Adaptive …
abstract arxiv cs.lg data deployment detection distribution drift effects experience labels machine machine learning machine learning models performance replace shift type
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