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description: Discover function valuation of your YOLO models with the Ultralytics Detection Validator. Enhance precision and recall rates today.
keywords: Ultralytics, YOLO, Detection Validator, model valuation, precision, recall
---

# Reference for `ultralytics/models/yolo/detect/val.py`

!!! Note

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

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## ::: ultralytics.models.yolo.detect.val.DetectionValidator

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