| Apex | Surface mesh of apex of auricular surface. |
| A_PCR_result | Estimating the age using A_PCR method |
| A_PCR_Test | A_PCR_Test |
| A_PCR_Train | A_PCR_Train |
| M_PCR_result | Estimating the age using M_PCR method |
| M_PCR_Test | M_PCR_Train |
| M_PCR_Train | M_PCR_Train |
| PCLR_result | Estimating the age using DNE_PCLR method |
| PCLR_Test | PCLR_Test |
| PCLR_Train | PCLR_Train |
| PCQDA_result | Estimating the age using DNE_PCQDA method |
| PCQDA_Test | PCQDA_Test |
| PCQDA_Train | PCQDA_Train |
| PCR_result | Estimating the age using PCR method |
| PCR_Test | PCR_Test |
| PCR_Train | PCR_Train |
| WholeSurface | Surface mesh of whole auricular surface. |