---
title: MLProgress.Metric.validationRootMeanSquaredError
framework: createml
role: symbol
role_heading: Case
path: createml/mlprogress/metric/validationrootmeansquarederror
---

# MLProgress.Metric.validationRootMeanSquaredError

The metric for the model’s validation root mean squared error (RMSE).

## Declaration

```swift
case validationRootMeanSquaredError
```

## See Also

### Retrieving metric keys

- [MLProgress.Metric.accuracy](createml/mlprogress/metric/accuracy.md)
- [MLProgress.Metric.contentLoss](createml/mlprogress/metric/contentloss.md)
- [MLProgress.Metric.loss](createml/mlprogress/metric/loss.md)
- [MLProgress.Metric.maximumError](createml/mlprogress/metric/maximumerror.md)
- [MLProgress.Metric.rootMeanSquaredError](createml/mlprogress/metric/rootmeansquarederror.md)
- [MLProgress.Metric.styleLoss](createml/mlprogress/metric/styleloss.md)
- [MLProgress.Metric.stylizedImageURL](createml/mlprogress/metric/stylizedimageurl.md)
- [MLProgress.Metric.validationAccuracy](createml/mlprogress/metric/validationaccuracy.md)
- [MLProgress.Metric.validationLoss](createml/mlprogress/metric/validationloss.md)
- [MLProgress.Metric.validationMaximumError](createml/mlprogress/metric/validationmaximumerror.md)