QGIS/resources/function_help/json/array_minority

{
  "name": "array_minority",
  "type": "function",
  "groups": ["Arrays"],
  "description": "Returns the less 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 less common values are returned in an array.</li><li>any: Returns one of the less common values.</li><li>median: Returns the median of the less common values. Non arithmetic values are ignored.</li><li>real_minority: Returns values which occur less than half the size of the array.</li></ul>"
  }],
  "examples": [{
    "expression": "array_minority(array(0,42,42), 'all')",
    "returns": "[ 0 ]"
  }, {
    "expression": "array_minority(array(0,1,42,42), 'all')",
    "returns": "[ 0, 1 ]"
  }, {
    "expression": "array_minority(array(0,1,42,42,43,1), 'any')",
    "returns": "0 or 43"
  }, {
    "expression": "array_minority(array(1,2,3,3), 'median')",
    "returns": "1.5"
  }, {
    "expression": "array_minority(array(0,1,42,42,43), 'real_minority')",
    "returns": "[ 42, 43, 0, 1 ]"
  }, {
    "expression": "array_minority(array(0,1,42,42,43,42), 'real_minority')",
    "returns": "[ 42, 43, 0, 1 ]"
  }, {
    "expression": "array_minority(array(0,1,42,42,43,42,42), 'real_minority')",
    "returns": "[ 43, 0, 1 ]"
  }],
  "tags": ["common", "array", "median"]
}