<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 10.14.0 -",
    "tvOS: 16.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CreateML",
  "identifier" : "/documentation/CreateML/MLBoostedTreeRegressor/ModelParameters-swift.struct/earlyStoppingRounds",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "Create ML"
    ],
    "preciseIdentifier" : "s:8CreateML22MLBoostedTreeRegressorV15ModelParametersV19earlyStoppingRoundsSiSgvp"
  },
  "title" : "earlyStoppingRounds"
}
-->

# earlyStoppingRounds

Validation data must be specified for an early stop.

```
var earlyStoppingRounds: Int?
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)