ultralytics/docs/en/reference/data/split.md

description	keywords
Learn how to split datasets into train, validation, and test subsets using Ultralytics utilities for efficient data preparation.	dataset splitting, autosplit dataset, training dataset preparation, validation set creation, Ultralytics data tools

Reference for ultralytics/data/split.py

!!! note

This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/split.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/split.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/data/split.py) 🛠️. Thank you 🙏!

::: ultralytics.data.split.split_classify_dataset

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::: ultralytics.data.split.autosplit