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Rate-Optimal Non-Asymptotics for the Quadratic Prediction Error Method
April 12, 2024, 4:42 a.m. | Charis Stamouli, Ingvar Ziemann, George J. Pappas
cs.LG updates on arXiv.org arxiv.org
Abstract: We study the quadratic prediction error method -- i.e., nonlinear least squares -- for a class of time-varying parametric predictor models satisfying a certain identifiability condition. While this method is known to asymptotically achieve the optimal rate for a wide range of problems, there have been no non-asymptotic results matching these optimal rates outside of a select few, typically linear, model classes. By leveraging modern tools from learning with dependent data, we provide the first …
abstract arxiv class cs.lg cs.sy eess.sy error least math.st parametric prediction rate squares stat.ml stat.th study type
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