fig2

Figure 2. Unsupervised clustering of data. (A) 3D K-Means clustering using the features “Temperature”, “Plateau pressure”, and “Capacity”; (B) Side view of 3D clustering, features “Capacity” and “Temperature”; (C) Front view of 3D clustering, features “Plateau pressure” and “Capacity”; (D) Top view of 3D clustering, features “Plateau pressure” and “Temperature”.