Journal of the Operations Research Society of China
Special Issue: Non-smooth optimization
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The aim of this paper is to develop an algorithm for solving the clusterwise linear least absolute deviations regression problem. This problem is formulated as a nonsmooth nonconvex optimization problem, and the objective function is represented as a difference of convex functions. Optimality conditions are derived by using this representation. An algorithm is designed based on the difference of convex representation and an incremental approach. The proposed algorithm is tested using small to large artificial and real-world data sets.
Key words: Clusterwise regression ·, Nonsmooth optimization ·, Smoothing · Incremental algorithm
Adil M. Bagirov · Sona Taheri. DC Programming Algorithm for Clusterwise Linear L1 Regression[J]. Journal of the Operations Research Society of China, doi: 10.1007/s40305-017-0151-9.
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URL: https://www.jorsc.shu.edu.cn/EN/10.1007/s40305-017-0151-9
https://www.jorsc.shu.edu.cn/EN/Y2017/V5/I2/233