| Positive | The Attribute is accurate against the feature. |
| Negative | The Attribute is not accurate against the feature. |
| True Positive (TP) | Positive instances of feature are marked as positive. |
| False Positive (FP) | Negative instances of feature are marked as positive. |
| True Negative (TN) | Negative instances of feature are marked as negative. |
| False Negative (FN) | Positive instances of feature are marked as negative. |