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"}
  ]
}