Fig. 2: Biplot of FDA dimensions for registers with overlaid density curves.

a Illustrates the combination of dimensions 1 and 2, panel (b) shows the combination of dimensions 2 and 3, and panel (c) presents the combination of dimensions 3 and 1.

a Illustrates the combination of dimensions 1 and 2, panel (b) shows the combination of dimensions 2 and 3, and panel (c) presents the combination of dimensions 3 and 1.