metadata
description: >-
Learn how to use BaseTrainer in Ultralytics YOLO for efficient model training.
Comprehensive guide for configurations, datasets, and optimization.
keywords: >-
Ultralytics, YOLO, BaseTrainer, model training, configuration, datasets,
optimization, machine learning
Reference for ultralytics/engine/trainer.py
!!! Note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/trainer.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/trainer.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/engine/trainer.py) 🛠️. Thank you 🙏!