You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
568 B
21 lines
568 B
2 years ago
|
var baseSum = require('./_baseSum');
|
||
|
|
|
||
|
|
/** Used as references for various `Number` constants. */
|
||
|
|
var NAN = 0 / 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The base implementation of `_.mean` and `_.meanBy` without support for
|
||
|
|
* iteratee shorthands.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Array} array The array to iterate over.
|
||
|
|
* @param {Function} iteratee The function invoked per iteration.
|
||
|
|
* @returns {number} Returns the mean.
|
||
|
|
*/
|
||
|
|
function baseMean(array, iteratee) {
|
||
|
|
var length = array == null ? 0 : array.length;
|
||
|
|
return length ? (baseSum(array, iteratee) / length) : NAN;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = baseMean;
|