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Conference Papers Year : 2023

On the Validation of Gibbs Algorithms: Training Datasets, Test Datasets and their Aggregation

Abstract

The dependence on training data of the Gibbs algorithm (GA) is analytically characterized. By adopting the expected empirical risk as the performance metric, the sensitivity of the GA is obtained in closed-form. In this case, sensitivity is the performance difference with respect to an arbitrary alternative algorithm. This description enables the development of explicit expressions involving the training errors and test errors of GAs trained with different datasets. Using these tools, dataset aggregation is studied and different figures of merit to evaluate the generalization capabilities of GAs are introduced. For particular sizes of such datasets and parameters of the GAs, a connection between Jeffrey's divergence, training and test errors is established.
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Dates and versions

hal-04096054 , version 1 (12-05-2023)
hal-04096054 , version 2 (14-05-2023)
hal-04096054 , version 3 (19-06-2023)

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Samir M. Perlaza, Iñaki Esnaola, Gaetan Bisson, H Vincent Poor. On the Validation of Gibbs Algorithms: Training Datasets, Test Datasets and their Aggregation. ISIT 2023 - IEEE International Symposium on Information Theory, Jun 2023, Taipei, Taiwan. ⟨10.1109/ISIT54713.2023.10206506⟩. ⟨hal-04096054v3⟩
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