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 ]"}
  ]
}