Function median

  • median(data: number[]): number

    Calculates the median value from an array of numbers

    Parameters

    • data: number[]

      Array of numbers to calculate median from

    Returns number

    The median value

    Throws

    If array is empty

    Example

    // Odd number of elements
    const numbers1 = [10.5, 2.3, 15.7];
    const median1 = median(numbers1); // Returns 10.5

    // Even number of elements
    const numbers2 = [2.3, 10.5, 15.7, 20.1];
    const median2 = median(numbers2); // Returns 13.1 ((10.5 + 15.7) / 2)

    Remarks

    • Creates a new sorted array, preserving the original array's order
    • For even-length arrays, returns the average of the two middle values
    • For odd-length arrays, returns the middle value
    • Throws NonEmptyArrayError for empty arrays, consistent with min() and max()

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