---
title: UpdatableEstimator
framework: createmlcomponents
role: symbol
role_heading: Protocol
path: createmlcomponents/updatableestimator
---

# UpdatableEstimator

An estimator that can be incrementally updated.

## Declaration

```swift
protocol UpdatableEstimator<Transformer> : Estimator
```

## Topics

### Adapting

- [adaptedAsSupervised(annotationType:)](createmlcomponents/updatableestimator/adaptedassupervised(annotationtype:).md)
- [adaptedAsTemporal()](createmlcomponents/updatableestimator/adaptedastemporal().md)

### Appending

- [appending(_:)](createmlcomponents/updatableestimator/appending(_:).md)

### Encoding and decoding

- [encodeWithOptimizer(_:to:)](createmlcomponents/updatableestimator/encodewithoptimizer(_:to:).md)
- [decodeWithOptimizer(from:)](createmlcomponents/updatableestimator/decodewithoptimizer(from:).md)

### Transforming

- [makeTransformer()](createmlcomponents/updatableestimator/maketransformer().md)
- [update(_:with:eventHandler:)](createmlcomponents/updatableestimator/update(_:with:eventhandler:).md)
- [update(_:with:)](createmlcomponents/updatableestimator/update(_:with:).md)

## Relationships

### Inherits From

- [Estimator](createmlcomponents/estimator.md)

### Conforming Types

- [NumericImputer](createmlcomponents/numericimputer.md)
- [OneHotEncoder](createmlcomponents/onehotencoder.md)
- [OrdinalEncoder](createmlcomponents/ordinalencoder.md)
- [PreprocessingUpdatableEstimator](createmlcomponents/preprocessingupdatableestimator.md)
- [StandardScaler](createmlcomponents/standardscaler.md)
- [TransformerToUpdatableEstimatorAdaptor](createmlcomponents/transformertoupdatableestimatoradaptor.md)

## See Also

### Protocols

- [Transformer](createmlcomponents/transformer.md)
- [TemporalTransformer](createmlcomponents/temporaltransformer.md)
- [RandomTransformer](createmlcomponents/randomtransformer.md)
- [Estimator](createmlcomponents/estimator.md)
- [TemporalEstimator](createmlcomponents/temporalestimator.md)
- [SupervisedEstimator](createmlcomponents/supervisedestimator.md)
- [SupervisedTemporalEstimator](createmlcomponents/supervisedtemporalestimator.md)
- [UpdatableSupervisedEstimator](createmlcomponents/updatablesupervisedestimator.md)
- [UpdatableSupervisedTemporalEstimator](createmlcomponents/updatablesupervisedtemporalestimator.md)
- [UpdatableSupervisedTabularEstimator](createmlcomponents/updatablesupervisedtabularestimator.md)
- [UpdatableTemporalEstimator](createmlcomponents/updatabletemporalestimator.md)
- [UpdatableTabularEstimator](createmlcomponents/updatabletabularestimator.md)