“…However, they have contributed to another aspect, i.e., outperformance in timing [29,46], proper handling of imbalance [59], transparent rules [36,69], and presentation of competitive new methods [41,47,51,52,60,71,78,84]. Some comparative studies [8,11,12] identified certain methods to have best performance and recommended for future research but they did not penalize the use of other techniques since the reported performance is still very competitive, whereas comparative studies by [18,26] did not result in outperformance of any methods among the compared models. The rest of the research articles reviewed in this study have reported their proposed models having better results than the others.…”