380239.fig.007a
(a)
380239.fig.007b
(b)
Figure 7: The results of different validity indices on k-means and hierarchical single linkage clustering for , , and in pulse rate (a) and oxygen saturation (b). (A) Silhouette coefficient (SC), (B) Calinski-Harabasz index (CH), (C) Dunn’s index (DI), and (D) WB index (WB).