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Table 5 Classification for real and assigned category in training and test set

From: Serum Biomarkers and Classification and Regression Trees Can Discriminate Symptomatic from Asymptomatic Carotid Artery Disease Patients

Sample Classification
Real category (observed) Assigned category (by the CART)
Stroke No stroke Percent correct (%)
Training Stroke 43 4 91.5
No stroke 5 25 83.3
Overall percentage 62.3% 37.7% 88.3
Test Stroke 27 8 77.1
No stroke 6 26 81.3
Overall percentage 49.3% 50.7% 79.1