APPENDIX 3. — Eigenvalues and variance per principal component of PCA for lower teeth comparison.
PC Eigenvalue % variance
1 41.5031 92.275
2 1.48039 3.2914
3 0.617696 1.3733
4 0.453765 1.0089
5 0.354834 0.78892
6 0.26444 0.58794
7 0.199574 0.44372
8 0.103671 0.23049