Table 5.

Comprehensive analysis of soft sensor models based on genetic algorithms (for the list of abbreviations see Table A1).

Ref	Prediction Model	Compared with	RMSE/MSE	MAXE	Best Performance
[96]	GA-SVR		0.1353	0.8872	GA-SVR
		ANN	0.9217	2.3529
[97]	GA-SVM	NN	-	-	GA-SVM
	GA-BPNN	-	-	-	GA-BPNN
[98]	Hybrid GA-ACO	Conventional GA and stand-alone ACO	-	-	Hybrid GA-ACO

Ref - References, RMSE – Root Mean Square Error, MAXE –Maximum Absolute Error, MSE – Mean Square Error.