SageMaker Clarify Bias Metrics

| Acronym | Name | Description |
| -------- | -------- | -------- |
CI |Class Imbalance |Measures imbalance between positive and negative labels.
DPL |Difference in Positive Proportions in Labels |Difference in positive label rates between groups.
DPPL |Difference in Positive Proportions in Predictions for Labels |Difference in predicted positive rates among true positives between groups.
DPR |Difference in Positive Rates |Difference in predicted positive rates between groups (not conditioned on label).
DAR |Difference in Acceptance Rates |Difference in prediction = 1 rates between groups.
DRR |Difference in Rejection Rates |Difference in prediction = 0 rates between groups.
DCA |Difference in Conditional Acceptance |Difference in predicted positive rate given label = 1.
DCR |Difference in Conditional Rejection |Difference in predicted negative rate given label = 0.
DI |Disparate Impact |Ratio of predicted positive rates between groups.
RDCA |Ratio in Conditional Acceptance |Ratio version of DCA.
RDCR |Ratio in Conditional Rejection |Ratio version of DCR.
KL |Kullback-Leibler Divergence |Measures distributional divergence of predictions across groups.
JS |Jensen-Shannon Divergence |Symmetric, bounded alternative to KL divergence.
TVD |Total Variation Distance |Measures maximum difference in predicted distributions between groups.
KS |Kolmogorov-Smirnov Distance |Measures max difference between cumulative distributions of predictions.
Chi-squared |Chi-squared Test Statistic |Measures statistical difference in distributions (used for categorical outcomes).