Table 9.

Statistical indices for different models.

Model	Normotensive subjects						Hypertensive subjects
	SBP			DBP			SBP			DBP
	R 2 (%)	RMSE	MAPE	R 2 (%)	RMSE	MAPE	R 2 (%)	RMSE	MAPE	R 2 (%)	RMSE	MAPE
PCA-ANN	67.44	0.58	37.09	62.39	0.62	40.77	59.50	0.68	9.2	53.19	0.86	11.02
PCA-ANFIS	80.04	0.56	9.82	79.37	0.52	12.27	87.02	0.41	2.97	86.11	0.4	2.71
PCA-LS-SVM	95.42	0.21	5.88	94.22	0.24	4.05	98.76	0.11	0.88	98.78	0.11	0.84