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/** * This computes the maximum number in an array. * * This runs on `O(n)`, linear time in respect to the array * * @param {number[]} x sample of one or more data points * @returns {number} maximum value * @throws {Error} if the the length of x is less than one * @example * max([1, 2, 3, 4]); * // => 4 */export function max(x: number[]): number {  if (!x.length) {    throw new Error("max requires at least one data point")  }
  let maxValue = x[0];  for (let i = 0; i < x.length; i++) {    if (x[i] > maxValue) {      maxValue = x[i];    }  }
  return maxValue;}