相对偏差保证金界限
Relative Deviation Margin Bounds
摘要:
我们提出了一系列新的和更有利的基于保证金的学习保证,依赖于预测器的经验保证金损失。我们给出了两种类型的学习界限,分布依赖和有效的一般家庭,在Rademacher复杂性或经验$\ell_\infty$覆盖数的假设集使用。此外,使用我们的相对偏差的边缘界,我们推导出分布依赖的广义界无界损失函数的假设下,一个有限的时刻。我们还简要强调了这些界限的几个应用,并讨论了它们与现有结果的联系。
英文摘要:
We present a series of new and more favorable margin-based learning guarantees that depend on the empirical margin loss of a predictor. We give two types of learning bounds, both distribution-dependent and valid for general families, in terms of the Rademacher complexity or the empirical $\ell_\infty$ covering number of the hypothesis set used. Furthermore, using our relative deviation margin bounds, we derive distribution-dependent generalization bounds for unbounded loss functions under the assumption of a finite moment. We also briefly highlight several applications of these bounds and discuss their connection with existing results.
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