Median

$median

The $median operator returns the median value of all numeric input values.

Input

• An array of numeric values to find the median of (at least one value required)

Output

• The median of all input values

Examples

Median of Odd Number of Values

{
  "$median": [
    1,
    3,
    3,
    6,
    7,
    8,
    9
  ]
}

Result: 6

Median of Even Number of Values

{
  "$median": [
    1,
    2,
    3,
    4
  ]
}

Result: 2.5

Median of Field Values

{
  "$median": [
    {
      "$input": "value1"
    },
    {
      "$input": "value2"
    },
    {
      "$input": "value3"
    },
    {
      "$input": "value4"
    }
  ]
}

Result: The median of value1, value2, value3, and value4 fields