---
title: makeTransformer()
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: createmlcomponents/preprocessingupdatablesupervisedestimator/maketransformer()
---

# makeTransformer()

Creates a default-initialized transformer suitable for incremental fitting.

## Declaration

```swift
func makeTransformer() -> PreprocessingUpdatableSupervisedEstimator<Preprocessor, Estimator>.Transformer
```

## See Also

### Preprocesing and fitting

- [preprocessed(from:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/preprocessed(from:eventhandler:).md)
- [fitted(to:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/fitted(to:eventhandler:).md)
- [fitted(toPreprocessed:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/fitted(topreprocessed:eventhandler:).md)
- [fitted(to:validateOn:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/fitted(to:validateon:eventhandler:).md)
- [fitted(toPreprocessed:validateOn:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/fitted(topreprocessed:validateon:eventhandler:).md)
- [update(_:with:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/update(_:with:eventhandler:).md)
- [update(_:withPreprocessed:eventHandler:)](createmlcomponents/preprocessingupdatablesupervisedestimator/update(_:withpreprocessed:eventhandler:).md)
- [PreprocessingUpdatableSupervisedEstimator.Annotation](createmlcomponents/preprocessingupdatablesupervisedestimator/annotation.md)
- [PreprocessingUpdatableSupervisedEstimator.Input](createmlcomponents/preprocessingupdatablesupervisedestimator/input.md)
- [PreprocessingUpdatableSupervisedEstimator.Intermediate](createmlcomponents/preprocessingupdatablesupervisedestimator/intermediate.md)
- [PreprocessingUpdatableSupervisedEstimator.Output](createmlcomponents/preprocessingupdatablesupervisedestimator/output.md)
- [Transformer](createmlcomponents/transformer.md)