SOLVING UNCERTAIN REGRESSION PROBLEM BY USING ROBUSTNESS OPTIMIZATION METHOD
http://dx.doi.org/10.17654/0972096023006
Keywords:
uncertainty, regression problem, robustness optimization, robust counterpart, stability radiusAbstract
In this work, we use the methodology of robustness optimization to address a regression problem under data uncertainty. We formulate a robust counterpart in the sense of robustness optimization of this problem. We compute explicitly the stability radius under a suitable assumption by using Ascoli formula. We obtain a fractional programming problem. By Charnes-Cooper variable transformation, we transform this fractional programming problem into convex optimization problem which can be linear in some cases. We recall the robust counterpart of uncertain problem in the sense of robust optimization. We show under appropriate assumptions that the optimal solution set of the robust counterpart in the sense of robust optimization is equal to that of robustness optimization.
Received: September 2, 2022
Accepted: October 27, 202
Published: March 29, 2023
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