| description: Browse through Ultralytics YOLO docs to learn about important logging and callback functions used in training and pretraining models. | |
| keywords: Ultralytics, YOLO, callbacks, logger, training, pretraining, machine learning, models | |
| # Reference for `ultralytics/utils/callbacks/dvc.py` | |
| !!! Note | |
| This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/dvc.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/dvc.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/utils/callbacks/dvc.py) 🛠️. Thank you 🙏! | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc._log_images | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc._log_plots | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc._log_confusion_matrix | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_pretrain_routine_start | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_pretrain_routine_end | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_train_start | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_train_epoch_start | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_fit_epoch_end | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.dvc.on_train_end | |
| <br><br> | |