---
title: MLActionClassifier.ModelParameters.ValidationData.none
framework: createml
role: symbol
role_heading: Case
path: createml/mlactionclassifier/modelparameters-swift.struct/validationdata/none
---

# MLActionClassifier.ModelParameters.ValidationData.none

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

## Declaration

```swift
case none
```

## Discussion

Discussion Use this case when you don’t have validation data while preventing Create ML from using any of your training dataset for validation.

## See Also

### Designating validation data

- [MLActionClassifier.ModelParameters.ValidationData.dataSource(_:)](createml/mlactionclassifier/modelparameters-swift.struct/validationdata/datasource(_:).md)
- [MLActionClassifier.ModelParameters.ValidationData.split(strategy:)](createml/mlactionclassifier/modelparameters-swift.struct/validationdata/split(strategy:).md)