docs/en/reference/data/split.md

metadata

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

Reference for ultralytics/data/split.py

!!! success "Improvements"

This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/split.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/split.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏

::: ultralytics.data.split.split_classify_dataset

---

::: ultralytics.data.split.autosplit