---
title: earlyStoppingRounds
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mlboostedtreeregressor/modelparameters-swift.struct/earlystoppingrounds
---

# earlyStoppingRounds

Validation data must be specified for an early stop.

## Declaration

```swift
var earlyStoppingRounds: Int?
```

## See Also

### Accessing parameters

- [columnSubsample](createml/mlboostedtreeregressor/modelparameters-swift.struct/columnsubsample.md)
- [maxDepth](createml/mlboostedtreeregressor/modelparameters-swift.struct/maxdepth.md)
- [maxIterations](createml/mlboostedtreeregressor/modelparameters-swift.struct/maxiterations.md)
- [minChildWeight](createml/mlboostedtreeregressor/modelparameters-swift.struct/minchildweight.md)
- [minLossReduction](createml/mlboostedtreeregressor/modelparameters-swift.struct/minlossreduction.md)
- [randomSeed](createml/mlboostedtreeregressor/modelparameters-swift.struct/randomseed.md)
- [rowSubsample](createml/mlboostedtreeregressor/modelparameters-swift.struct/rowsubsample.md)
- [stepSize](createml/mlboostedtreeregressor/modelparameters-swift.struct/stepsize.md)
- [validationData](createml/mlboostedtreeregressor/modelparameters-swift.struct/validationdata-swift.property.md)
- [validation](createml/mlboostedtreeregressor/modelparameters-swift.struct/validation.md)