Search Results for author: Behrad Moniri

Found 4 papers, 1 papers with code

A Theory of Non-Linear Feature Learning with One Gradient Step in Two-Layer Neural Networks

no code implementations11 Oct 2023 Behrad Moniri, Donghwan Lee, Hamed Hassani, Edgar Dobriban

However, with a constant gradient descent step size, this spike only carries information from the linear component of the target function and therefore learning non-linear components is impossible.

Demystifying Disagreement-on-the-Line in High Dimensions

1 code implementation31 Jan 2023 Donghwan Lee, Behrad Moniri, Xinmeng Huang, Edgar Dobriban, Hamed Hassani

Evaluating the performance of machine learning models under distribution shift is challenging, especially when we only have unlabeled data from the shifted (target) domain, along with labeled data from the original (source) domain.

Vocal Bursts Intensity Prediction

Information-Theoretic Analysis of Minimax Excess Risk

no code implementations15 Feb 2022 Hassan Hafez-Kolahi, Behrad Moniri, Shohreh Kasaei

We consider the frequentist problem of minimax excess risk as a zero-sum game between the algorithm designer and the world.

Learning Theory

Rate-Distortion Analysis of Minimum Excess Risk in Bayesian Learning

no code implementations10 May 2021 Hassan Hafez-Kolahi, Behrad Moniri, Shohreh Kasaei, Mahdieh Soleymani Baghshah

For the upper bound, the optimization is further constrained to use $R$ bits from the training set, a setting which relates MER to information-theoretic bounds on the generalization gap in frequentist learning.

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