INNER CODE UNIT · Python

err

KaiyangZhou/pytorch-center-loss · main.py:182

    err = 100. - acc
    return acc, err

def plot_features(features, labels, num_classes, epoch, prefix):
    """Plot features on 2D plane.

    Args:
        features: (num_instances, num_features).
        labels: (num_instances). 
    """
    colors = ['C0', 'C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7', 'C8', 'C9']
    for label_idx in range(num_classes):
        plt.scatter(
            features[labels==label_idx, 0],
            features[labels==label_idx, 1],
            c=colors[label_idx],
            s=1,
        )

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