INNER CODE UNIT · JavaScript

median

mysqljs/mysql · benchmark/analyze.js:73

function median() {
  return numbers[Math.floor(numbers.length / 2)];
}

function sdev() {
  if (!numbers.length) return undefined;

  return Math.round(Math.sqrt(variance()));
}

function variance() {
  var t       = 0;
  var squares = 0;
  var len     = numbers.length;

  for (var i = 0; i < len; i++) {
    var obs = numbers[i];
    t += obs;

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