Data quality metrics extracted from 4u9o.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": "c74015ae683f882c448e14cdd26c7db7",
  "space_group_name": "C 2 2 21",
  "unit_cell": {
    "a": 78.27,
    "b": 84.31,
    "c": 102.86,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.92000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [45,1.600],
    "number_observations": 1698531,
    "number_observations_unique": 45130,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.070
      },
      {
        "type": "R(meas)",
        "value": 0.071
      },
      {
        "type": "I/SigI",
        "value": 33.510
      },
      {
        "type": "Completeness",
        "value": 99.600
      },
      {
        "type": "Redundancy",
        "value": 37
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.700,1.600],
      "number_observations": 267947,
      "number_observations_unique": 7350,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 3.832
        },
        {
          "type": "R(meas)",
          "value": 3.886
        },
        {
          "type": "I/SigI",
          "value": 1.080
        },
        {
          "type": "Completeness",
          "value": 99.200
        }
      ]
    },
    {
      "resolution_limits": [1.800,1.700],
      "number_observations": 230074,
      "number_observations_unique": 5841,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.948
        },
        {
          "type": "R(meas)",
          "value": 1.973
        },
        {
          "type": "I/SigI",
          "value": 2.360
        },
        {
          "type": "Completeness",
          "value": 99.400
        }
      ]
    },
    {
      "resolution_limits": [1.900,1.800],
      "number_observations": 182137,
      "number_observations_unique": 4674,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.960
        },
        {
          "type": "R(meas)",
          "value": 0.972
        },
        {
          "type": "I/SigI",
          "value": 4.830
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.000,1.900],
      "number_observations": 143804,
      "number_observations_unique": 3799,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.511
        },
        {
          "type": "R(meas)",
          "value": 0.517
        },
        {
          "type": "I/SigI",
          "value": 8.930
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [2.200,2.000],
      "number_observations": 214051,
      "number_observations_unique": 5705,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.261
        },
        {
          "type": "R(meas)",
          "value": 0.264
        },
        {
          "type": "I/SigI",
          "value": 17.200
        },
        {
          "type": "Completeness",
          "value": 99.800
        }
      ]
    },
    {
      "resolution_limits": [2.600,2.200],
      "number_observations": 256967,
      "number_observations_unique": 6846,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.117
        },
        {
          "type": "R(meas)",
          "value": 0.119
        },
        {
          "type": "I/SigI",
          "value": 35.750
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.000,2.600],
      "number_observations": 146113,
      "number_observations_unique": 3698,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.067
        },
        {
          "type": "R(meas)",
          "value": 0.068
        },
        {
          "type": "I/SigI",
          "value": 66.130
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [6.000,3.000],
      "number_observations": 223381,
      "number_observations_unique": 6132,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "R(meas)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 114.960
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [10.000,6.000],
      "number_observations": 26906,
      "number_observations_unique": 726,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.035
        },
        {
          "type": "R(meas)",
          "value": 0.036
        },
        {
          "type": "I/SigI",
          "value": 145.930
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [20.000,10.000],
      "number_observations": 6526,
      "number_observations_unique": 192,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.032
        },
        {
          "type": "R(meas)",
          "value": 0.032
        },
        {
          "type": "I/SigI",
          "value": 146.120
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [45.00,20.000],
      "number_observations": 625,
      "number_observations_unique": 28,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.044
        },
        {
          "type": "R(meas)",
          "value": 0.046
        },
        {
          "type": "I/SigI",
          "value": 108.070
        },
        {
          "type": "Completeness",
          "value": 90.300
        }
      ]
    }
  ]

}
  

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


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