Function meanBy

  • This method is like mean except that it accepts iteratee which is invoked for each element in array to generate the value to be averaged. The iteratee is invoked with one argument: (value).

    Type Parameters

    • T = any

    Parameters

    • array: T[]

      The array to iterate over.

    • iteratee: ArrayIteratee<T, number>

      The iteratee invoked per element.

    Returns number

    Returns the mean.

    Since

    5.11.0

    Example

    const objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }]

    meanBy(objects, ({ n }) => n)
    // => 5