---
title: "init(validation:maxIterations:l1Penalty:l2Penalty:stepSize:convergenceThreshold:featureRescaling:)"
framework: createml
role: symbol
role_heading: Initializer
path: "createml/mllinearregressor/modelparameters-swift.struct/init(validation:maxiterations:l1penalty:l2penalty:stepsize:convergencethreshold:featurerescaling:)"
---

# init(validation:maxIterations:l1Penalty:l2Penalty:stepSize:convergenceThreshold:featureRescaling:)

## Declaration

```swift
init(validation: MLLinearRegressor.ModelParameters.ValidationData, maxIterations: Int = 10, l1Penalty: Double = 0, l2Penalty: Double = 0.01, stepSize: Double = 1.0, convergenceThreshold: Double = 0.01, featureRescaling: Bool = true)
```

## See Also

### Creating parameters

- [init(validationData:maxIterations:l1Penalty:l2Penalty:stepSize:convergenceThreshold:featureRescaling:)](createml/mllinearregressor/modelparameters-swift.struct/init(validationdata:maxiterations:l1penalty:l2penalty:stepsize:convergencethreshold:featurerescaling:).md)
- [MLLinearRegressor.ModelParameters.ValidationData](createml/mllinearregressor/modelparameters-swift.struct/validationdata-swift.enum.md)