@newdash/newdash
Version:
javascript/typescript utility library
21 lines (20 loc) • 701 B
TypeScript
import { ArrayIteratee } from "./types";
/**
* 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).
*
* @since 5.11.0
* @category Math
* @param {Array} array The array to iterate over.
* @param {Function} iteratee The iteratee invoked per element.
* @returns {number} Returns the mean.
* @example
*
* const objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }]
*
* meanBy(objects, ({ n }) => n)
* // => 5
*/
export declare function meanBy<T = any>(array: Array<T>, iteratee: ArrayIteratee<T, number>): number;
export default meanBy;