{
  "baseline_model": "baseline",
  "cadviga_model": "cadviga",
  "notes": [
    "Failed attempts are excluded from numeric means, variances, and t-tests.",
    "Welch tests compare successful attempt-level metric distributions.",
    "Paired tests compare per-sample means for samples with at least one successful attempt in both models.",
    "Variance fields report sample variance unless explicitly named population_variance."
  ],
  "scopes": {
    "global": {
      "metrics": {
        "voxel_iou": {
          "global_mean_variance": {
            "baseline": {
              "n": 17,
              "mean": 0.4126602353,
              "sample_variance": 0.0786298661,
              "population_variance": 0.0740045799
            },
            "cadviga": {
              "n": 45,
              "mean": 0.3800051556,
              "sample_variance": 0.087418397,
              "population_variance": 0.0854757659
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.0326550797,
            "t_statistic": -0.4029367796,
            "degrees_of_freedom": 30.317739467,
            "p_value": 0.6898221505,
            "baseline": {
              "n": 17,
              "mean": 0.4126602353,
              "sample_variance": 0.0786298661,
              "population_variance": 0.0740045799
            },
            "cadviga": {
              "n": 45,
              "mean": 0.3800051556,
              "sample_variance": 0.087418397,
              "population_variance": 0.0854757659
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 11,
            "mean_difference_cadviga_minus_baseline": -0.0814410758,
            "sample_variance_of_differences": 0.0459250614,
            "t_statistic": -1.2604190873,
            "degrees_of_freedom": 10,
            "p_value": 0.236134404,
            "paired_record_ids": [
              "hinge_000914_s20260506",
              "j_hook_000905_s20260506",
              "knob_000898_s20260506",
              "knob_001348_s20260506",
              "knob_001352_s20260506",
              "pillow_block_001313_s20260506",
              "pipe_elbow_000974_s20260506",
              "tee_nut_001166_s20260506",
              "turnbuckle_001266_s20260506",
              "turnbuckle_001275_s20260506",
              "u_bolt_001112_s20260506"
            ]
          }
        },
        "composite_score": {
          "global_mean_variance": {
            "baseline": {
              "n": 17,
              "mean": 0.5236411765,
              "sample_variance": 0.0381580113,
              "population_variance": 0.0359134224
            },
            "cadviga": {
              "n": 45,
              "mean": 0.5072888889,
              "sample_variance": 0.056569936,
              "population_variance": 0.0553128263
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.0163522876,
            "t_statistic": -0.2763370618,
            "degrees_of_freedom": 34.9538179092,
            "p_value": 0.7839166158,
            "baseline": {
              "n": 17,
              "mean": 0.5236411765,
              "sample_variance": 0.0381580113,
              "population_variance": 0.0359134224
            },
            "cadviga": {
              "n": 45,
              "mean": 0.5072888889,
              "sample_variance": 0.056569936,
              "population_variance": 0.0553128263
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 11,
            "mean_difference_cadviga_minus_baseline": -0.0639,
            "sample_variance_of_differences": 0.0213887499,
            "t_statistic": -1.4491204963,
            "degrees_of_freedom": 10,
            "p_value": 0.1779273077,
            "paired_record_ids": [
              "hinge_000914_s20260506",
              "j_hook_000905_s20260506",
              "knob_000898_s20260506",
              "knob_001348_s20260506",
              "knob_001352_s20260506",
              "pillow_block_001313_s20260506",
              "pipe_elbow_000974_s20260506",
              "tee_nut_001166_s20260506",
              "turnbuckle_001266_s20260506",
              "turnbuckle_001275_s20260506",
              "u_bolt_001112_s20260506"
            ]
          }
        }
      }
    },
    "easy": {
      "metrics": {
        "voxel_iou": {
          "global_mean_variance": {
            "baseline": {
              "n": 8,
              "mean": 0.609924625,
              "sample_variance": 0.0488845373,
              "population_variance": 0.0427739702
            },
            "cadviga": {
              "n": 15,
              "mean": 0.4540467333,
              "sample_variance": 0.0322649032,
              "population_variance": 0.0301139096
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.1558778917,
            "t_statistic": -1.7149579422,
            "degrees_of_freedom": 12.0490432934,
            "p_value": 0.1119329254,
            "baseline": {
              "n": 8,
              "mean": 0.609924625,
              "sample_variance": 0.0488845373,
              "population_variance": 0.0427739702
            },
            "cadviga": {
              "n": 15,
              "mean": 0.4540467333,
              "sample_variance": 0.0322649032,
              "population_variance": 0.0301139096
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 5,
            "mean_difference_cadviga_minus_baseline": -0.1131691667,
            "sample_variance_of_differences": 0.0249003028,
            "t_statistic": -1.603654494,
            "degrees_of_freedom": 4,
            "p_value": 0.184055162,
            "paired_record_ids": [
              "hinge_000914_s20260506",
              "knob_001352_s20260506",
              "tee_nut_001166_s20260506",
              "turnbuckle_001275_s20260506",
              "u_bolt_001112_s20260506"
            ]
          }
        },
        "composite_score": {
          "global_mean_variance": {
            "baseline": {
              "n": 8,
              "mean": 0.6409,
              "sample_variance": 0.0399054686,
              "population_variance": 0.034917285
            },
            "cadviga": {
              "n": 15,
              "mean": 0.5435333333,
              "sample_variance": 0.0267455567,
              "population_variance": 0.0249625196
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.0973666667,
            "t_statistic": -1.183250831,
            "degrees_of_freedom": 12.1241699147,
            "p_value": 0.2593923875,
            "baseline": {
              "n": 8,
              "mean": 0.6409,
              "sample_variance": 0.0399054686,
              "population_variance": 0.034917285
            },
            "cadviga": {
              "n": 15,
              "mean": 0.5435333333,
              "sample_variance": 0.0267455567,
              "population_variance": 0.0249625196
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 5,
            "mean_difference_cadviga_minus_baseline": -0.0907766667,
            "sample_variance_of_differences": 0.0134474702,
            "t_statistic": -1.7504065826,
            "degrees_of_freedom": 4,
            "p_value": 0.1549426151,
            "paired_record_ids": [
              "hinge_000914_s20260506",
              "knob_001352_s20260506",
              "tee_nut_001166_s20260506",
              "turnbuckle_001275_s20260506",
              "u_bolt_001112_s20260506"
            ]
          }
        }
      }
    },
    "medium": {
      "metrics": {
        "voxel_iou": {
          "global_mean_variance": {
            "baseline": {
              "n": 6,
              "mean": 0.3112856667,
              "sample_variance": 0.0394380574,
              "population_variance": 0.0328650479
            },
            "cadviga": {
              "n": 15,
              "mean": 0.2711602667,
              "sample_variance": 0.0606876609,
              "population_variance": 0.0566418168
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.0401254,
            "t_statistic": -0.3893862015,
            "degrees_of_freedom": 11.4942877056,
            "p_value": 0.7041082452,
            "baseline": {
              "n": 6,
              "mean": 0.3112856667,
              "sample_variance": 0.0394380574,
              "population_variance": 0.0328650479
            },
            "cadviga": {
              "n": 15,
              "mean": 0.2711602667,
              "sample_variance": 0.0606876609,
              "population_variance": 0.0566418168
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 4,
            "mean_difference_cadviga_minus_baseline": -0.097041375,
            "sample_variance_of_differences": 0.1092572708,
            "t_statistic": -0.5871671676,
            "degrees_of_freedom": 3,
            "p_value": 0.5983558991,
            "paired_record_ids": [
              "j_hook_000905_s20260506",
              "knob_000898_s20260506",
              "knob_001348_s20260506",
              "pipe_elbow_000974_s20260506"
            ]
          }
        },
        "composite_score": {
          "global_mean_variance": {
            "baseline": {
              "n": 6,
              "mean": 0.4502333333,
              "sample_variance": 0.0187762667,
              "population_variance": 0.0156468889
            },
            "cadviga": {
              "n": 15,
              "mean": 0.41466,
              "sample_variance": 0.0345533069,
              "population_variance": 0.0322497531
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": -0.0355733333,
            "t_statistic": -0.4826223661,
            "degrees_of_freedom": 12.6267998601,
            "p_value": 0.6376231023,
            "baseline": {
              "n": 6,
              "mean": 0.4502333333,
              "sample_variance": 0.0187762667,
              "population_variance": 0.0156468889
            },
            "cadviga": {
              "n": 15,
              "mean": 0.41466,
              "sample_variance": 0.0345533069,
              "population_variance": 0.0322497531
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 4,
            "mean_difference_cadviga_minus_baseline": -0.0756958333,
            "sample_variance_of_differences": 0.0455319745,
            "t_statistic": -0.7094858333,
            "degrees_of_freedom": 3,
            "p_value": 0.5291941342,
            "paired_record_ids": [
              "j_hook_000905_s20260506",
              "knob_000898_s20260506",
              "knob_001348_s20260506",
              "pipe_elbow_000974_s20260506"
            ]
          }
        }
      }
    },
    "hard": {
      "metrics": {
        "voxel_iou": {
          "global_mean_variance": {
            "baseline": {
              "n": 3,
              "mean": 0.089371,
              "sample_variance": 0.0160906432,
              "population_variance": 0.0107270955
            },
            "cadviga": {
              "n": 15,
              "mean": 0.4148084667,
              "sample_variance": 0.1619260026,
              "population_variance": 0.1511309358
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": 0.3254374667,
            "t_statistic": 2.5601504604,
            "degrees_of_freedom": 11.4983684028,
            "p_value": 0.0257192239,
            "baseline": {
              "n": 3,
              "mean": 0.089371,
              "sample_variance": 0.0160906432,
              "population_variance": 0.0107270955
            },
            "cadviga": {
              "n": 15,
              "mean": 0.4148084667,
              "sample_variance": 0.1619260026,
              "population_variance": 0.1511309358
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 2,
            "mean_difference_cadviga_minus_baseline": 0.02907975,
            "sample_variance_of_differences": 0.0014410486,
            "t_statistic": 1.0833439404,
            "degrees_of_freedom": 1,
            "p_value": 0.4745456706,
            "paired_record_ids": [
              "pillow_block_001313_s20260506",
              "turnbuckle_001266_s20260506"
            ]
          }
        },
        "composite_score": {
          "global_mean_variance": {
            "baseline": {
              "n": 3,
              "mean": 0.3577666667,
              "sample_variance": 0.0062180933,
              "population_variance": 0.0041453956
            },
            "cadviga": {
              "n": 15,
              "mean": 0.5636733333,
              "sample_variance": 0.1024856035,
              "population_variance": 0.09565323
            }
          },
          "welch_t_test_attempts": {
            "test": "welch_two_sample_t_test",
            "available": true,
            "alternative": "two-sided",
            "mean_difference_cadviga_minus_baseline": 0.2059066667,
            "t_statistic": 2.1819847271,
            "degrees_of_freedom": 14.464472839,
            "p_value": 0.0460599401,
            "baseline": {
              "n": 3,
              "mean": 0.3577666667,
              "sample_variance": 0.0062180933,
              "population_variance": 0.0041453956
            },
            "cadviga": {
              "n": 15,
              "mean": 0.5636733333,
              "sample_variance": 0.1024856035,
              "population_variance": 0.09565323
            }
          },
          "paired_t_test_sample_means": {
            "test": "paired_t_test_on_sample_means",
            "available": true,
            "alternative": "two-sided",
            "n_pairs": 2,
            "mean_difference_cadviga_minus_baseline": 0.0268833333,
            "sample_variance_of_differences": 0.002850125,
            "t_statistic": 0.7121412804,
            "degrees_of_freedom": 1,
            "p_value": 0.6060418071,
            "paired_record_ids": [
              "pillow_block_001313_s20260506",
              "turnbuckle_001266_s20260506"
            ]
          }
        }
      }
    }
  }
}