Fig. 7: Visualization of the relationship of 16 people’s features.

16 people, identified as {a, b, …, p} are specified by three attributes, each has 5 category values. All these 16 individuals can be allocated on a 4-ring hue circle

16 people, identified as {a, b, …, p} are specified by three attributes, each has 5 category values. All these 16 individuals can be allocated on a 4-ring hue circle