--- description: Explore the source code and functionalities of the YOLO Classification Validator in Ultralytics for evaluating classification models effectively. keywords: Ultralytics, YOLO, classification, validation, ClassifyMetrics, ConfusionMatrix, PyTorch, deep learning, model evaluation, AI, machine learning --- # Reference for `ultralytics/models/yolo/classify/val.py` !!! success "Improvements" This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/yolo/classify/val.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/yolo/classify/val.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏
## ::: ultralytics.models.yolo.classify.val.ClassificationValidator