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| description: Explore Ultralytics YOLO Docs for a deep understanding of log_scalars, on_batch_end & other callback utilities embedded in the tensorboard module. |
| keywords: Ultralytics, YOLO, documentation, callback utilities, log_scalars, on_batch_end, tensorboard |
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| # Reference for `ultralytics/utils/callbacks/tensorboard.py` |
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| !!! Note |
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| This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/tensorboard.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/tensorboard.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/tensorboard.py) 🛠️. Thank you 🙏! |
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| ## ::: ultralytics.utils.callbacks.tensorboard._log_scalars |
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| <br><br> |
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| ## ::: ultralytics.utils.callbacks.tensorboard._log_tensorboard_graph |
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| <br><br> |
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| ## ::: ultralytics.utils.callbacks.tensorboard.on_pretrain_routine_start |
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| <br><br> |
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| ## ::: ultralytics.utils.callbacks.tensorboard.on_train_start |
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| <br><br> |
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| ## ::: ultralytics.utils.callbacks.tensorboard.on_train_epoch_end |
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| <br><br> |
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| ## ::: ultralytics.utils.callbacks.tensorboard.on_fit_epoch_end |
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