1 var baseIteratee = require('./_baseIteratee'),
2 baseMean = require('./_baseMean');
5 * This method is like `_.mean` except that it accepts `iteratee` which is
6 * invoked for each element in `array` to generate the value to be averaged.
7 * The iteratee is invoked with one argument: (value).
13 * @param {Array} array The array to iterate over.
14 * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
15 * @returns {number} Returns the mean.
18 * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
20 * _.meanBy(objects, function(o) { return o.n; });
23 * // The `_.property` iteratee shorthand.
24 * _.meanBy(objects, 'n');
27 function meanBy(array, iteratee) {
28 return baseMean(array, baseIteratee(iteratee, 2));
31 module.exports = meanBy;