Function average

Returns the average value of a given path

Example

average([1, 2, 3]); // 2

Example

average([{a: 1}, {a: 2}, {a: 3}], "a"); // 2

Example

average([{a: {b: 1}}, {a: {b: 2}}, {a: {b: 3}}], "a.b"); // 2