1. Department of Statistics, Faculty of Mathematics and Natural Science, Padjadjaran University, Sumedang, Indonesia
2. Department of Mathematical Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
3. Department of Information Management, Chaoyang University of Technology, Taichung, Taiwan
4. Department of Mathematics, Universitas Sumatera Utara, Medan, Indonesia
5. Remote Sensing and Geographic Information Sciences Research Group, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia
6. Bioinformatics and Data Science Research Center, Bina Nusantara University, Jakarta, Indonesia