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stat.ML2025
Benign Overfitting and the Geometry of the Ridge Regression Solution in Binary Classification
Alexander Tsigler, Luiz F. O. Chamon, Spencer Frei +1
In this work, we investigate the behavior of ridge regression in an overparameterized binary classification task. We assume examples are drawn from (anisotropic) class-conditional…
stat.ML2023
The Effect of SGD Batch Size on Autoencoder Learning: Sparsity, Sharpness, and Feature Learning
Nikhil Ghosh, Spencer Frei, Wooseok Ha +1
In this work, we investigate the dynamics of stochastic gradient descent (SGD) when training a single-neuron autoencoder with linear or ReLU activation on orthogonal data. We show…