Fig. 6From: Predicting blood pressure from physiological index data using the SVR algorithmComparison of four evaluation indexes for models with different N. In Fig. 6, a, b, c, and d, respectively, represent the performance of models (including Ps and Pd) with respect to MAPE, MAE, R2 and Spearman’s correlation for different 2N windows. The red and blue lines represent the Ps and Pd models, respectivelyBack to article page