Function meanByFn

meanByFn<Value>(values, iteratee): number
It will iterate through each of the provided values array, by the provided iteratee function and add the resulting numbers returned by the said iteratee function to produce the sum, to then be divided by the values.length to produce the desired mean.
Type Parameters
- Value
Parameters
- values: Value[]
- iteratee: ((value) => number)
  - - (value): number
    - Parameters
      value: Value
      Returns number
Returns number
Since
1.0.0

Example
```
meanByFn([1, 2, 3], number => number); // => 2
```
Example
```
meanByFn([{ a: 1 }, { a: 2 }, { a: 3 }], ({ a }) => a); // => 2
```
- Defined in mean-by-fn.ts:17