Function mean

packages/util/src/numbers.ts:29–37

(array: number[])

 * @returns The mean of the input array.
 */
export function mean(array: number[]): number {
  try {
    return (
      array.reduce((previous, current) => (current += previous)) / array.length
    );
  } catch (e) {
    return 0;
  }
}

/**
 * Calculates the standard deviation of an array of numbers.