“…ANN-GA(9), genetic algorithm-based support vector machines (3), ANFIS-GA (2), multi-objective genetic algorithm(2), multivariate regression analysis, ELM-RSM, GA-LSSVM, HGAPSO-LSSVM,multi-objective optimization with Orthogonal collocation on finite elements (OCFE) method Methanol-to-oil molar ratio(15), reaction temperature(14), reaction time(13), stirring speed (6), catalyst concentration (6), catalyst weight (5), dosage of NaOH catalyst (3), humidity (3), impurities (3), mixing time (3), Free Fatty Acid (FFA) content, sulfuric acid-to-rice bran ratio, duty-cycle, methanol-to-rice bran ratio, FAME concentration, overall heat duty, initial acid value of vegetable oil, calcination temperature, reactor's residence time, and pressure 0.8690 ≤ R 2 ≤ 0.9999[52][53][54][55][56][57][58][59][60][61][62][63][64][65][66][67] …”