Add position bias detection and Cohen's kappa to llm_judge#3810
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joaquinhuigomez wants to merge 1 commit intolm-sys:mainfrom
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Add position bias detection and Cohen's kappa to llm_judge#3810joaquinhuigomez wants to merge 1 commit intolm-sys:mainfrom
joaquinhuigomez wants to merge 1 commit intolm-sys:mainfrom
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Extends compute_agreement.py with compute_position_bias(), compute_cohens_kappa(), and interpret_kappa() functions that work with the standard _pair.jsonl output format. Modifies show_result.py to print a one-line consistency summary at the bottom of pairwise results and adds --show-consistency flag for detailed metrics (bias rate, direction, kappa, Landis & Koch). Includes 13 unit tests with synthetic data in tests/test_consistency_metrics.py.
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Summary
compute_position_bias(),compute_cohens_kappa(), andinterpret_kappa()tocompute_agreement.py, working with the standard_pair.jsonlformatdisplay_result_pairwise()inshow_result.pywith a one-line consistency summary (position bias rate + kappa) printed after win ratesdisplay_consistency_metrics()function and--show-consistencyCLI flag for detailed breakdown (agreement rate, bias direction, kappa with Landis & Koch interpretation)Test plan
python3 -m pytest tests/test_consistency_metrics.py -v)