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Description of a confusion matrix for binary classes with observed values and classifier predicted values
| Classifier predicted value | Sum | |||
|---|---|---|---|---|
| 1 | 0 | |||
| Observed | 1 | tp | fn (Type II error) | tp + fn |
| 0 | fp (Type I error) | tn | fp + tn | |
| Sum | tp + fp | fn + tn | n | |
tp true positive, fp false positive, fn false negative, tn true negative, n total number of individuals
