1. Department of Statistics, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
2. Department of Statistics, COMSATS University Islamabad Lahore Campus, Lahore 54000, Pakistan
3. Department of Computer Engineering, College of Computer and Information Sciences, King Saud University, P.O. Box 51178, Riyadh 11543, Saudi Arabia
4. School of Computing, Mathematics, and Engineering, Charles Sturt University, Panorama Avenue, Bathurst, NSW 2795, Australia