Data quality metrics extracted from 5ski.cif.gz by aB_cif2table1 from BUSTER (Global Phasing Ltd.). See also the PDBx/mmCIF dictionary.

Raw JSON data
{
  "mxlims_type": "ReflectionSet",
  "version": "0.2.2",
  "uuid": "23b5a06e8565a0825c35ff0d69f8af87",
  "space_group_name": "H 3",
  "unit_cell": {
    "a": 135.236,
    "b": 135.236,
    "c": 235.217,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 120.0
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [43.50,2.160],
    "number_observations": 444937,
    "number_observations_unique": 85996,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.102
      },
      {
        "type": "R(meas)",
        "value": 0.113
      },
      {
        "type": "I/SigI",
        "value": 12.220
      },
      {
        "type": "Completeness",
        "value": 99.900
      },
      {
        "type": "Redundancy",
        "value": 5.174
      },
      {
        "type": "CC(1/2)",
        "value": 0.998
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.220,2.160],
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      "number_observations_unique": 6402,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.378
        },
        {
          "type": "R(meas)",
          "value": 1.535
        },
        {
          "type": "I/SigI",
          "value": 1.250
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.178
        },
        {
          "type": "CC(1/2)",
          "value": 0.458
        }
      ]
    },
    {
      "resolution_limits": [2.280,2.220],
      "number_observations": 29909,
      "number_observations_unique": 6165,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.308
        },
        {
          "type": "R(meas)",
          "value": 1.469
        },
        {
          "type": "I/SigI",
          "value": 1.360
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 4.851
        },
        {
          "type": "CC(1/2)",
          "value": 0.513
        }
      ]
    },
    {
      "resolution_limits": [2.340,2.280],
      "number_observations": 30194,
      "number_observations_unique": 6015,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.912
        },
        {
          "type": "R(meas)",
          "value": 1.019
        },
        {
          "type": "I/SigI",
          "value": 1.870
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.020
        },
        {
          "type": "CC(1/2)",
          "value": 0.664
        }
      ]
    },
    {
      "resolution_limits": [2.410,2.340],
      "number_observations": 31122,
      "number_observations_unique": 5860,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.742
        },
        {
          "type": "R(meas)",
          "value": 0.824
        },
        {
          "type": "I/SigI",
          "value": 2.330
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.311
        },
        {
          "type": "CC(1/2)",
          "value": 0.755
        }
      ]
    },
    {
      "resolution_limits": [2.490,2.410],
      "number_observations": 30365,
      "number_observations_unique": 5686,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.603
        },
        {
          "type": "R(meas)",
          "value": 0.669
        },
        {
          "type": "I/SigI",
          "value": 2.860
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.340
        },
        {
          "type": "CC(1/2)",
          "value": 0.817
        }
      ]
    },
    {
      "resolution_limits": [2.580,2.490],
      "number_observations": 28950,
      "number_observations_unique": 5490,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.471
        },
        {
          "type": "R(meas)",
          "value": 0.524
        },
        {
          "type": "I/SigI",
          "value": 3.630
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.273
        },
        {
          "type": "CC(1/2)",
          "value": 0.874
        }
      ]
    },
    {
      "resolution_limits": [2.680,2.580],
      "number_observations": 27073,
      "number_observations_unique": 5288,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.377
        },
        {
          "type": "R(meas)",
          "value": 0.420
        },
        {
          "type": "I/SigI",
          "value": 4.520
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.120
        },
        {
          "type": "CC(1/2)",
          "value": 0.914
        }
      ]
    },
    {
      "resolution_limits": [2.790,2.680],
      "number_observations": 25253,
      "number_observations_unique": 5118,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.316
        },
        {
          "type": "R(meas)",
          "value": 0.354
        },
        {
          "type": "I/SigI",
          "value": 5.290
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.934
        },
        {
          "type": "CC(1/2)",
          "value": 0.932
        }
      ]
    },
    {
      "resolution_limits": [2.910,2.790],
      "number_observations": 25118,
      "number_observations_unique": 4925,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.233
        },
        {
          "type": "R(meas)",
          "value": 0.260
        },
        {
          "type": "I/SigI",
          "value": 7.040
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.100
        },
        {
          "type": "CC(1/2)",
          "value": 0.967
        }
      ]
    },
    {
      "resolution_limits": [3.050,2.910],
      "number_observations": 24979,
      "number_observations_unique": 4619,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.179
        },
        {
          "type": "R(meas)",
          "value": 0.198
        },
        {
          "type": "I/SigI",
          "value": 9.210
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.408
        },
        {
          "type": "CC(1/2)",
          "value": 0.980
        }
      ]
    },
    {
      "resolution_limits": [3.220,3.050],
      "number_observations": 23956,
      "number_observations_unique": 4457,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.133
        },
        {
          "type": "R(meas)",
          "value": 0.148
        },
        {
          "type": "I/SigI",
          "value": 12.110
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.375
        },
        {
          "type": "CC(1/2)",
          "value": 0.989
        }
      ]
    },
    {
      "resolution_limits": [3.420,3.220],
      "number_observations": 22143,
      "number_observations_unique": 4188,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.094
        },
        {
          "type": "R(meas)",
          "value": 0.104
        },
        {
          "type": "I/SigI",
          "value": 16.530
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.287
        },
        {
          "type": "CC(1/2)",
          "value": 0.994
        }
      ]
    },
    {
      "resolution_limits": [3.650,3.420],
      "number_observations": 19716,
      "number_observations_unique": 3980,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.069
        },
        {
          "type": "R(meas)",
          "value": 0.077
        },
        {
          "type": "I/SigI",
          "value": 21.610
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.954
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        {
          "type": "CC(1/2)",
          "value": 0.996
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      ]
    },
    {
      "resolution_limits": [3.940,3.650],
      "number_observations": 18879,
      "number_observations_unique": 3682,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.054
        },
        {
          "type": "R(meas)",
          "value": 0.060
        },
        {
          "type": "I/SigI",
          "value": 27.170
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.127
        },
        {
          "type": "CC(1/2)",
          "value": 0.997
        }
      ]
    },
    {
      "resolution_limits": [4.320,3.940],
      "number_observations": 18268,
      "number_observations_unique": 3359,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "R(meas)",
          "value": 0.046
        },
        {
          "type": "I/SigI",
          "value": 33.380
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.439
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        {
          "type": "CC(1/2)",
          "value": 0.999
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      ]
    },
    {
      "resolution_limits": [4.830,4.320],
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      "number_observations_unique": 3072,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "R(meas)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 37.020
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        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.298
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        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [5.580,4.830],
      "number_observations": 13292,
      "number_observations_unique": 2693,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.036
        },
        {
          "type": "R(meas)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 35.510
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.936
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        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [6.830,5.580],
      "number_observations": 12218,
      "number_observations_unique": 2272,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.038
        },
        {
          "type": "R(meas)",
          "value": 0.042
        },
        {
          "type": "I/SigI",
          "value": 35.550
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.378
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [9.660,6.830],
      "number_observations": 9183,
      "number_observations_unique": 1774,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.029
        },
        {
          "type": "R(meas)",
          "value": 0.032
        },
        {
          "type": "I/SigI",
          "value": 46.350
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.176
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [43.500,9.660],
      "number_observations": 4896,
      "number_observations_unique": 951,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.027
        },
        {
          "type": "R(meas)",
          "value": 0.030
        },
        {
          "type": "I/SigI",
          "value": 54.100
        },
        {
          "type": "Completeness",
          "value": 99.000
        },
        {
          "type": "Redundancy",
          "value": 5.148
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    }
  ]

}
  

Table 1 generated from MXLIMS-JSON (via JavaScript):


Binned data generated from MXLIMS-JSON (via JavaScript):