---
title: trainingMetrics
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mlclassifier/trainingmetrics
---

# trainingMetrics

Measurements of the classifier’s performance on the training data set.

## Declaration

```swift
var trainingMetrics: MLClassifierMetrics { get }
```

## See Also

### Evaluating a classifier

- [evaluation(on:)](createml/mlclassifier/evaluation(on:).md)
- [validationMetrics](createml/mlclassifier/validationmetrics.md)