Bias metrics are crucial for evaluating the fairness and performance of machine learning models. Here's a breakdown of key concepts and tools:
Core Metrics
Accuracy
Measures overall correctness: Best for balanced datasets.Precision
Focuses on true positive rate: Ideal for imbalanced classes.Recall
Highlights false negative detection: Critical in medical diagnosis scenarios.
Advanced Tools
F1 Score
Harmonizes precision and recall: Useful for class imbalance.ROC Curve & AUC
Visualizes classification performance: AUC represents area under the curve.
Practical Applications
- Fairness Metrics
Assess bias across groups (e.g., demographic parity, equal opportunity): Important for ethical AI development.
For deeper insights into evaluation metrics, explore our Evaluation Metrics Tutorial.