---
title: MLActivityClassifier.ModelParameters.Validation.none
framework: Create ML
role: symbol
role_heading: Case
platforms: [macOS 14.0+]
path: createml/mlactivityclassifier/modelparameters-swift.struct/validation-swift.enum/none
---

# MLActivityClassifier.ModelParameters.Validation.none

An empty validation dataset that skips the model validation phase after training.

## Declaration

```swift
case none
```

## See Also

### Specifying validation data

- [MLActivityClassifier.ModelParameters.Validation.split(strategy:)](createml/mlactivityclassifier/modelparameters-swift.struct/validation-swift.enum/split(strategy:).md)
- [MLActivityClassifier.ModelParameters.Validation.dataSource(_:)](createml/mlactivityclassifier/modelparameters-swift.struct/validation-swift.enum/datasource(_:).md)