---
title: validationMetrics
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mlboostedtreeregressor/validationmetrics
---

# validationMetrics

Measurements of the regressor’s performance on the validation data set.

## Declaration

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

## See Also

### Evaluating a boosted tree regressor

- [evaluation(on:)](createml/mlboostedtreeregressor/evaluation(on:).md)
- [trainingMetrics](createml/mlboostedtreeregressor/trainingmetrics.md)