| Predicted | |||
|---|---|---|---|
| Positive | Negative | ||
| Actual | Positive | 85 | 15 |
| Negative | 10 | 90 | |
Accuracy = (TP + TN) / (TP + TN + FP + FN)
Precision = TP / (TP + FP) - Of all positive predictions, how many were correct?
Recall = TP / (TP + FN) - Of all actual positives, how many did we find?
F1 Score = 2 × (Precision × Recall) / (Precision + Recall)