---
title: validationMetrics
framework: Create ML
role: symbol
role_heading: Instance Property
platforms: [macOS 10.15+]
path: createml/mlactivityclassifier/validationmetrics
---

# validationMetrics

Measurements of the activity classifier’s performance on the validation dataset.

## Declaration

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

## See Also

### Evaluating an activity classifier

- [evaluation(on:featureColumns:labelColumn:recordingFileColumn:)](createml/mlactivityclassifier/evaluation(on:featurecolumns:labelcolumn:recordingfilecolumn:).md)
- [trainingMetrics](createml/mlactivityclassifier/trainingmetrics.md)
- [evaluation(on:featureColumns:labelColumn:recordingFileColumn:)](createml/mlactivityclassifier/evaluation(on:featurecolumns:labelcolumn:recordingfilecolumn:).md)