Optimization of salicylic acid and chitosan treatment for bitter secoiridoid and xanthone glycosides production in shoot cultures of Swertia paniculata using response surface methodology and artificial neural network

Table 3 Comparison of response surface methodology (RSM) and artificial neural network (ANN) models

Parameters	Amarogentin (I)		Swertiamarin (II)		Mangiferin (III)
Parameters	RSM	ANN	RSM	ANN	RSM	ANN
Root mean square error (RMSE)	0.004624	0.003351	0.046971	0.02104	0.03464	0.014931
Absolute average deviation (AAD)	0.089432	0.089124	1.296331	1.300059	0.572083	0.568817
Regression coefficient (r²)	99.8%	99.9%	99.9%	100%	99.7%	100%

ISSN: 1471-2229