Table 2.
Description of selected features with importance values
| Selected Feature | Feature Importance Value |
|---|---|
| MMSE | 0.299198 |
| AGE | 0.299198 |
| PTEDUCAT | 0.149885 |
| GENDER (PTG) | 0.018829 |
| APOE Genotype | 0.017209 |
| RACE (PTRACCAT) | 0.014797 |
|
Ethnicity (PTETHCAT) |
0.013801 |
| APOE4 Genotype (APOE4) | 0.012114 |
| Imputed Genotype (IG) | 0.010787 |
MMSE and AGE have the highest important values, followed by PTEDUCAT, PTG, APOE Genotype, RACE, Ethnicity, APOE4, and IG. The following features ("Subject", "RID", "Image Data ID", "Modality", "Visit", "Acquired Date", "DX.bl", and "Exam Date") were excluded from the dataset due to low attribute significance values. The three classes that make up the DX Codes for Submission target attribute are AD, LMCI, and CN