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# precisionScore(label:)

Computes the precision score for a class label.

```
func precisionScore(label: Label) -> Double
```

## Parameters

`label`

The label to use as true positive.

## Return Value

The precision score for the given label.

## Discussion

Precision score is computed as the ratio `tp / (tp + fp)` where `tp` is the number of true positives and `fp`
is the number of false positives.

---

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