Model Analysis
Random Forest · 500 trees · OASIS dataset · 80/20 split
Feature Importance
Mean decrease in impurity across 500 trees
Age Distribution by Diagnosis
OASIS longitudinal cohort (n=373)
Model Performance
Accuracy87.3%
Precision84.1%
Recall89.6%
F1 Score86.7%
AUC-ROC0.924
Train set275 samples
Test set69 samples
Confusion Matrix
148
True Negative
18
False Positive
14
False Negative
93
True Positive