QGIS/resources/function_help/json/array_majority

{
  "name": "array_majority",
  "type": "function",
  "groups": ["Arrays"],
  "description": "Returns the most common values in an array.",
  "arguments": [{
    "arg": "array",
    "description": "an array"
  }, {
    "arg": "option='all'",
    "optional": true,
    "description": "a string specifying the return values handling. Valid options are:<br><ul><li>all: Default, all most common values are returned in an array.</li><li>any: Returns one of the most common values.</li><li>median: Returns the median of the most common values. Non arithmetic values are ignored.</li><li>real_majority: Returns the value which occurs more than half the size of the array.</li></ul>"
  }],
  "examples": [{
    "expression": "array_majority(array(0,1,42,42,43), 'all')",
    "returns": "[ 42 ]"
  }, {
    "expression": "array_majority(array(0,1,42,42,43,1), 'all')",
    "returns": "[ 42, 1 ]"
  }, {
    "expression": "array_majority(array(0,1,42,42,43,1), 'any')",
    "returns": "1 or 42"
  }, {
    "expression": "array_majority(array(0,1,1,2,2), 'median')",
    "returns": "1.5"
  }, {
    "expression": "array_majority(array(0,1,42,42,43), 'real_majority')",
    "returns": "NULL"
  }, {
    "expression": "array_majority(array(0,1,42,42,43,42), 'real_majority')",
    "returns": "NULL"
  }, {
    "expression": "array_majority(array(0,1,42,42,43,42,42), 'real_majority')",
    "returns": "42"
  }],
  "tags": ["common", "array", "median"]
}