---
title: PreprocessingSupervisedEstimator.Input
framework: createmlcomponents
role: symbol
role_heading: Type Alias
path: createmlcomponents/preprocessingsupervisedestimator/input
---

# PreprocessingSupervisedEstimator.Input

The input type.

## Declaration

```swift
typealias Input = Preprocessor.Input
```

## See Also

### Preprocessing and fitting

- [preprocessed(from:eventHandler:)](createmlcomponents/preprocessingsupervisedestimator/preprocessed(from:eventhandler:).md)
- [fitted(to:eventHandler:)](createmlcomponents/preprocessingsupervisedestimator/fitted(to:eventhandler:).md)
- [fitted(toPreprocessed:eventHandler:)](createmlcomponents/preprocessingsupervisedestimator/fitted(topreprocessed:eventhandler:).md)
- [fitted(to:validateOn:eventHandler:)](createmlcomponents/preprocessingsupervisedestimator/fitted(to:validateon:eventhandler:).md)
- [fitted(toPreprocessed:validateOn:eventHandler:)](createmlcomponents/preprocessingsupervisedestimator/fitted(topreprocessed:validateon:eventhandler:).md)
- [PreprocessingSupervisedEstimator.Annotation](createmlcomponents/preprocessingsupervisedestimator/annotation.md)
- [PreprocessingSupervisedEstimator.Intermediate](createmlcomponents/preprocessingsupervisedestimator/intermediate.md)
- [PreprocessingSupervisedEstimator.Output](createmlcomponents/preprocessingsupervisedestimator/output.md)
- [Transformer](createmlcomponents/transformer.md)