A script which will play http://guessthecorrelation.com/ for you

winGuessTheCorrelation.js

/*  
 *  Copy and paste the following code after clicking
 *  NEW GAME at http://guessthecorrelation.com.
 *  Tested and works in Chrome. Not sure about other
 *  browsers due to usage of ES6 features.
 */

const parseTransformStringIntoPoint = (transformString) => {
  let splitString = transformString.split(',');
  let xString = splitString[0].substring(10, splitString[0].length);
  let yString = splitString[1].substring(0, splitString[1].length - 1);
  return [parseFloat(xString), parseFloat(yString)];
};

const extractData = () => {
  let nvPoints = document.getElementsByClassName('nv-point');
  let ps = [...nvPoints]
    .map(point => point.getAttribute('transform'))
    .map(parseTransformStringIntoPoint);
  let xs = ps.map(p => p[0]);
  let ys = ps.map(p => p[1]);
  return [xs, ys];
};

const run = () => {
  let [xs, ys] = extractData();
  let coefficient = jStat.corrcoeff(xs, ys);
  document.getElementById('guess-input').value = Math.abs(coefficient);
  document.getElementById('submit-btn').click();
  document.getElementById('next-btn').click();
};

setInterval(run, 200);