{
  "benchmark_id": "BENCH-24-POPGEN-HAPLO-MSN-SCIPY",
  "validation_set_id": "VAL-SET-013-POPGEN-HAPLO-MSN-12COHORT",
  "tool_evaluated": "haplo-cluster / popgen-compare (src/haplotype.rs, src/popgen_calibration.rs)",
  "external_reference_tool": "SciPy v1.18.1 (scipy.sparse.csgraph.minimum_spanning_tree) + NumPy v2.5.4",
  "total_cohorts": 12,
  "dev_cohorts": 6,
  "reserve_cohorts": 6,
  "dev_mean_abs_diff_pi": 0.0,
  "reserve_mean_abs_diff_pi": 0.0,
  "dev_mean_abs_diff_tajimas_d": 0.0,
  "reserve_mean_abs_diff_tajimas_d": 0.0,
  "dev_mean_abs_diff_fst": 0.0,
  "reserve_mean_abs_diff_fst": 0.0,
  "tajimas_d_pearson_r": 1.0,
  "hudson_fst_pearson_r": 1.0,
  "mst_exact_match_rate_pct": 100.0,
  "regime_concordance_pct": 100.0,
  "native_runtime_ms": 16.5343,
  "scipy_runtime_ms": 130.5781,
  "speedup_factor": 7.8974,
  "zero_beaker_reject_logged": "REJECT-2026-035-POPGEN-GEN1-MISSING-FST-WAHLUND-CONFOUNDER",
  "cohorts": [
    {
      "cohort_id": "DEV-01",
      "split": "DEV",
      "biological_system": "Ursus maritimus / U. arctos Mitogenome Clade Split",
      "accession_or_locus": "NC_003428.1 / NC_003427.1 (COX1)",
      "expected_regime": "ALLOPATRIC_SUBDIVISION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 3,
      "segregating_sites_s": 8,
      "native_hd": 0.5942,
      "scipy_hd": 0.5942,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0635,
      "scipy_pi": 0.0635,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0357,
      "scipy_watterson_theta": 0.0357,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 2.5,
      "scipy_tajimas_d": 2.5,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.9789,
      "scipy_hudson_fst": 0.9789,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 8,
      "scipy_mst_total_steps": 8,
      "mst_weight_match": true,
      "predicted_regime": "ALLOPATRIC_SUBDIVISION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "DEV-02",
      "split": "DEV",
      "biological_system": "Homo sapiens HBB HbA/HbS Heterozygote-Advantage Balancing Selection",
      "accession_or_locus": "NG_000007.3 (HBB rs334)",
      "expected_regime": "BALANCING_SELECTION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 2,
      "segregating_sites_s": 8,
      "native_hd": 0.5217,
      "scipy_hd": 0.5217,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0696,
      "scipy_pi": 0.0696,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0357,
      "scipy_watterson_theta": 0.0357,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 3.0426,
      "scipy_tajimas_d": 3.0426,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 8,
      "scipy_mst_total_steps": 8,
      "mst_weight_match": true,
      "predicted_regime": "BALANCING_SELECTION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "DEV-03",
      "split": "DEV",
      "biological_system": "SARS-CoV-2 Spike Early Star-Phylogeny Clonal Expansion",
      "accession_or_locus": "NC_045512.2 (S)",
      "expected_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 11,
      "segregating_sites_s": 10,
      "native_hd": 0.6703,
      "scipy_hd": 0.6703,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0139,
      "scipy_pi": 0.0139,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0446,
      "scipy_watterson_theta": 0.0446,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": -2.2981,
      "scipy_tajimas_d": -2.2981,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 10,
      "scipy_mst_total_steps": 10,
      "mst_weight_match": true,
      "predicted_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "DEV-04",
      "split": "DEV",
      "biological_system": "Drosophila melanogaster Adh Fast/Slow Latitudinal Cline",
      "accession_or_locus": "M17833.1 (Adh)",
      "expected_regime": "ALLOPATRIC_SUBDIVISION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 3,
      "segregating_sites_s": 7,
      "native_hd": 0.5616,
      "scipy_hd": 0.5616,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0536,
      "scipy_pi": 0.0536,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0312,
      "scipy_watterson_theta": 0.0312,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 2.233,
      "scipy_tajimas_d": 2.233,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.9863,
      "scipy_hudson_fst": 0.9863,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 7,
      "scipy_mst_total_steps": 7,
      "mst_weight_match": true,
      "predicted_regime": "ALLOPATRIC_SUBDIVISION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "DEV-05",
      "split": "DEV",
      "biological_system": "Plasmodium falciparum pfcrt K76T Selective Sweep Recovery",
      "accession_or_locus": "XM_001348968.1 (pfcrt)",
      "expected_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 10,
      "segregating_sites_s": 9,
      "native_hd": 0.6196,
      "scipy_hd": 0.6196,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0125,
      "scipy_pi": 0.0125,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0402,
      "scipy_watterson_theta": 0.0402,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": -2.2577,
      "scipy_tajimas_d": -2.2577,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 9,
      "scipy_mst_total_steps": 9,
      "mst_weight_match": true,
      "predicted_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "DEV-06",
      "split": "DEV",
      "biological_system": "0🧪 Negative Control: Monomorphic Clonal Fixation (S = 0)",
      "accession_or_locus": "SYNTH-MONO-POPGEN-DEV06",
      "expected_regime": "MONOMORPHIC_NULL",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 1,
      "segregating_sites_s": 0,
      "native_hd": 0.0,
      "scipy_hd": 0.0,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0,
      "scipy_pi": 0.0,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0,
      "scipy_watterson_theta": 0.0,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 0.0,
      "scipy_tajimas_d": 0.0,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 0,
      "scipy_mst_total_steps": 0,
      "mst_weight_match": true,
      "predicted_regime": "MONOMORPHIC_NULL",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-01",
      "split": "RESERVE",
      "biological_system": "Thunnus thynnus / T. orientalis Atlantic-Pacific Basin Split",
      "accession_or_locus": "NC_014052.1 / NC_008455.1 (COX1)",
      "expected_regime": "ALLOPATRIC_SUBDIVISION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 4,
      "segregating_sites_s": 7,
      "native_hd": 0.6667,
      "scipy_hd": 0.6667,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0488,
      "scipy_pi": 0.0488,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0312,
      "scipy_watterson_theta": 0.0312,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 1.7558,
      "scipy_tajimas_d": 1.7558,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.9432,
      "scipy_hudson_fst": 0.9432,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 7,
      "scipy_mst_total_steps": 7,
      "mst_weight_match": true,
      "predicted_regime": "ALLOPATRIC_SUBDIVISION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-02",
      "split": "RESERVE",
      "biological_system": "Homo sapiens HLA-DRB1 Peptide-Binding Groove Balancing Selection",
      "accession_or_locus": "NG_002392.2 (HLA-DRB1)",
      "expected_regime": "BALANCING_SELECTION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 2,
      "segregating_sites_s": 9,
      "native_hd": 0.5217,
      "scipy_hd": 0.5217,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0783,
      "scipy_pi": 0.0783,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0402,
      "scipy_watterson_theta": 0.0402,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 3.1083,
      "scipy_tajimas_d": 3.1083,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 9,
      "scipy_mst_total_steps": 9,
      "mst_weight_match": true,
      "predicted_regime": "BALANCING_SELECTION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-03",
      "split": "RESERVE",
      "biological_system": "Mycobacterium tuberculosis Lineage 2 Star Transmission Outbreak",
      "accession_or_locus": "NC_000962.3 (rpoB/katG)",
      "expected_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 12,
      "segregating_sites_s": 11,
      "native_hd": 0.7174,
      "scipy_hd": 0.7174,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0153,
      "scipy_pi": 0.0153,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0491,
      "scipy_watterson_theta": 0.0491,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": -2.3329,
      "scipy_tajimas_d": -2.3329,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 11,
      "scipy_mst_total_steps": 11,
      "mst_weight_match": true,
      "predicted_regime": "SELECTIVE_SWEEP_OR_EXPANSION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-04",
      "split": "RESERVE",
      "biological_system": "Arabidopsis thaliana FRIGIDA (FRI) Glacial Refugial Split",
      "accession_or_locus": "NM_116232.3 (FRI)",
      "expected_regime": "ALLOPATRIC_SUBDIVISION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 3,
      "segregating_sites_s": 6,
      "native_hd": 0.5616,
      "scipy_hd": 0.5616,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0449,
      "scipy_pi": 0.0449,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0268,
      "scipy_watterson_theta": 0.0268,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 2.0429,
      "scipy_tajimas_d": 2.0429,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.9836,
      "scipy_hudson_fst": 0.9836,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 6,
      "scipy_mst_total_steps": 6,
      "mst_weight_match": true,
      "predicted_regime": "ALLOPATRIC_SUBDIVISION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-05",
      "split": "RESERVE",
      "biological_system": "Salmo salar Atlantic vs. Baltic Mitochondrial ND1 Split",
      "accession_or_locus": "NC_001960.1 (ND1)",
      "expected_regime": "ALLOPATRIC_SUBDIVISION",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 2,
      "segregating_sites_s": 8,
      "native_hd": 0.5217,
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      "native_pi": 0.0696,
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      "native_watterson_theta": 0.0357,
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      "abs_diff_theta": 0.0,
      "native_tajimas_d": 3.0426,
      "scipy_tajimas_d": 3.0426,
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      "native_hudson_fst": 1.0,
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      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 8,
      "scipy_mst_total_steps": 8,
      "mst_weight_match": true,
      "predicted_regime": "ALLOPATRIC_SUBDIVISION",
      "regime_match": true,
      "gate_pass": true
    },
    {
      "cohort_id": "RES-06",
      "split": "RESERVE",
      "biological_system": "0🧪 Negative Control: Panmictic Label-Permuted Demes (F_ST = 0)",
      "accession_or_locus": "SYNTH-PANMICTIC-POPGEN-RES06",
      "expected_regime": "PANMICTIC_DRIFT_NULL",
      "sample_size_n": 24,
      "alignment_length_bp": 60,
      "unique_haplotypes_h": 4,
      "segregating_sites_s": 3,
      "native_hd": 0.7826,
      "scipy_hd": 0.7826,
      "abs_diff_hd": 0.0,
      "native_pi": 0.0217,
      "scipy_pi": 0.0217,
      "abs_diff_pi": 0.0,
      "native_watterson_theta": 0.0134,
      "scipy_watterson_theta": 0.0134,
      "abs_diff_theta": 0.0,
      "native_tajimas_d": 1.5685,
      "scipy_tajimas_d": 1.5685,
      "abs_diff_tajimas_d": 0.0,
      "native_hudson_fst": 0.0,
      "scipy_hudson_fst": 0.0,
      "abs_diff_fst": 0.0,
      "native_mst_total_steps": 3,
      "scipy_mst_total_steps": 3,
      "mst_weight_match": true,
      "predicted_regime": "PANMICTIC_DRIFT_NULL",
      "regime_match": true,
      "gate_pass": true
    }
  ]
}