Ear morphology and morphometry as potential forensic tools for identification of the Hausa, Igbo and Yoruba populations of Nigeria

Bulletin of the National Research Centre

Table 8 Direct discriminant function analysis of ear measurements in all subjects

Function	Variables	Standardized coefficient	Unstandardized coefficient	Wilks' lambda	Structure matrix	Groups centroids
1	REL	− 0.444	− 0.090	0.961	− 0.040	Male = 0.234
2	REW	0.358	0.086		0.330	Female = − 0.174
3	RLH	0.850	0.245		0.441
4	RLW	− 0.488	− 0.158		0.845
5	RCL	− 0.135	− 0.064
6	REL	0.368	0.075	0.938	− 0.699	Male = − 0.297
7	REW	− 0.182	− 0.044		0.319	Female = 0.22
8	RLH	− 0.917	− 0.263		0.255
9	RLW	0.450	0.148		0.242
10	RCL	0.388	0.184		− 0.181

R, right; L, left; EL, ear length; EW, ear width; LH, lobule height; LW, lobule width, CL, concha length