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Research map / Learning theory and algorithms / Sample complexity

Efficient List-Decodable Regression using Batches

ICML 2023 · Learning theory and algorithms › Sample complexity · approach: Learning under log-concave distributions · 0 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use batches of size n rather than single samplesList-decodable linear regression · List-decodable linear regressionestimation error: For n = \tilde\Omega(1/\alpha), the estimation error is \tilde\cO(\sigma/\sqrt{n\alpha}); for n = 1, no algorithm ... caHelped
Average sample gradients into batch gradientsList-decodable linear regression · List-decodable linear regressiongradient covariance: reduces the co-variance by a factor nHelped
Clip batch gradients using an adaptively selected clipping parameterMainAlgorithm · Good batchesgood-batch sample complexity: \tilde O_{n,\alpha}(d); unclipped gradients ... would instead require \Omega(d^2) samplesHelped

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