Retraction Note: Day-ahead electricity price forecasting using WPT, VMI, LSSVM-based self adaptive fuzzy kernel and modified HBMO algorithm

Affiliations

• ¹ Data Science & Computational Intelligence Research Group, Universitas Medan Area, Medan, Indonesia. rahmadsyah@staff.uma.ac.id.
• ² Computer Science and Engineering Department, University of Texas at Arlington, Arlington, USA.
• ³ Data Science & Computational Intelligence Research Group, Universitas Sumatera Utara, Medan, Indonesia. marischaelveny@usu.ac.id.
• ⁴ Department of Astronautics, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, 00184, Rome, Italy.
• ⁵ DS & CI Research Group, Universitas Medan Area, Medan, Indonesia.
• ⁶ Optimisation and Logistics Group, School of Computer Science, University of Adelaide, Adelaide, Australia. mehdi.neshat@adelaide.edu.au.
• ⁷ Department of Mathematics, Aberystwyth University, Aberystwyth, SY23 3FL, UK.