1. Department of Statistics, Pabna University of Science and Technology, Pabna, Bangladesh
2. Statistics Discipline, Khulna University, Khulna, Bangladesh
3. Department of Computer Science and Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
4. Department of Applied Software Engineering, Dong-Eui University, Busan, Busanjin-gu, Republic of Korea
5. Department of Computer Engineering, Dongeui University, Busan, Republic of Korea
6. School of Computer Science and Engineering, The University of Aizu, Aizuwakamatsu, Japan