---
title: PreprocessedFeatureSequence
framework: createmlcomponents
role: symbol
role_heading: Structure
path: createmlcomponents/preprocessedfeaturesequence
---

# PreprocessedFeatureSequence

An asynchronous sequence of eagerly stored temporal features.

## Declaration

```swift
struct PreprocessedFeatureSequence<Feature>
```

## Overview

Overview This sequence eagerly stores the results of preprocessing a temporal estimator.

## Topics

### Creating a sequence

- [init(_:)](createmlcomponents/preprocessedfeaturesequence/init(_:).md)

### Getting the properties

- [count](createmlcomponents/preprocessedfeaturesequence/count.md)
- [features](createmlcomponents/preprocessedfeaturesequence/features.md)

## Relationships

### Conforms To

- [AsyncSequence](swift/asyncsequence.md)
- [TemporalSequence](createmlcomponents/temporalsequence.md)

## See Also

### Time-based components

- [Creating a time-series classifier](createmlcomponents/creating-a-time-series-classifier.md)
- [Creating a time-series forecaster](createmlcomponents/creating-a-time-series-forecaster.md)
- [DateFeatures](createmlcomponents/datefeatures.md)
- [DateFeatureExtractor](createmlcomponents/datefeatureextractor.md)
- [LinearTimeSeriesForecaster](createmlcomponents/lineartimeseriesforecaster.md)
- [LinearTimeSeriesForecasterConfiguration](createmlcomponents/lineartimeseriesforecasterconfiguration.md)
- [TimeSeriesForecasterBatches](createmlcomponents/timeseriesforecasterbatches.md)
- [TimeSeriesForecasterAnnotatedWindows](createmlcomponents/timeseriesforecasterannotatedwindows.md)
- [TemporalFeature](createmlcomponents/temporalfeature.md)
- [TemporalSequence](createmlcomponents/temporalsequence.md)
- [TemporalSegmentIdentifier](createmlcomponents/temporalsegmentidentifier.md)
- [SlidingWindows](createmlcomponents/slidingwindows.md)
- [SlidingWindowTransformer](createmlcomponents/slidingwindowtransformer.md)
- [Downsampler](createmlcomponents/downsampler.md)
- [VideoReader](createmlcomponents/videoreader.md)