---
title: "init(features:annotations:batchSize:inputWindowSize:forecastWindowSize:shufflesBatches:)"
framework: createmlcomponents
role: symbol
role_heading: Initializer
path: "createmlcomponents/timeseriesforecasterbatches/init(features:annotations:batchsize:inputwindowsize:forecastwindowsize:shufflesbatches:)"
---

# init(features:annotations:batchSize:inputWindowSize:forecastWindowSize:shufflesBatches:)

Creates a batch sequence.

## Declaration

```swift
init(features: MLShapedArray<Scalar>, annotations: MLShapedArray<Scalar>, batchSize: Int, inputWindowSize: Int, forecastWindowSize: Int, shufflesBatches: Bool = true) throws
```

## Parameters

- `features`: A shaped array of features, it must have two dimensions.
- `annotations`: A shaped array of annotations, it must have two dimensions.
- `batchSize`: The batch size. Must be positive.
- `inputWindowSize`: The number of input samples. Must be positive.
- `forecastWindowSize`: The number of prediction samples. Must be positive.
- `shufflesBatches`: A Boolean value indicating whether to shuffle the batches.