---
title: estimator
framework: createmlcomponents
role: symbol
role_heading: Instance Property
path: createmlcomponents/preprocessingupdatablesupervisedestimator/estimator
---

# estimator

The estimator.

## Declaration

```swift
var estimator: Estimator
```

## See Also

### Getting the properties

- [preprocessor](createmlcomponents/preprocessingupdatablesupervisedestimator/preprocessor.md)