from ultralytics import YOLO if __name__== '__main__': # Load a model model = YOLO('yolov8n.yaml') # build a new model from YAML model = YOLO('yolov8n.pt') # load a pretrained model (recommended for training) model = YOLO('yolov8n.yaml').load('yolov8n.pt') # build from YAML and transfer weights # Train the model # results = model.train(data='coco128.yaml', epochs=100, imgsz=640) # train yolov8n on COCO128 for 100 epochs results = model.train(data='coco128.yaml', epochs=2, imgsz=640) # train yolov8n on COCO128 for 2 epochs