Rancidity Estimation of Perilla Seed Oil by Using Near-Infrared Spectroscopy and Multivariate Analysis Techniques

Table 5

Performance of ANN models for acid value predictions.

Nodes	Training			Validation			Test
	^2	RMSE	Elapsed time (sec)	^2	RMSE	Elapsed time (sec)	^2	RMSE	Elapsed time (sec)
50	0.8440	0.0847	1	0.6001	0.1586	1	0.6764	0.1177	1
70	0.8942	0.0745	1	0.7728	0.1008	1	0.6572	0.1181	1
90	0.9037	0.0694	1	0.8175	0.0963	1	0.8555	0.1112	1
110	0.9374	0.0611	2	0.8393	0.0779	2	0.6777	0.0935	2