| # Transfer Stability Score (TSS) |
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| The Transfer Stability Score measures how well a model generalizes stability reasoning across different regimes. |
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| # Definition |
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| TSS = mean(F1_transfer) |
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| Where F1_transfer represents F1 scores from cross-regime tests. |
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| # Interpretation |
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| High TSS indicates that a model has learned general instability reasoning. |
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| Low TSS suggests the model relies on dataset-specific correlations. |
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| # Relationship to CSS |
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| CSS measures average performance across datasets. |
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| TSS measures generalization between regimes. |
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| Both metrics should be reported when evaluating models on the Clarus Clinical Stability Benchmark. |
