ivanpepelko

(function () {
  var svg = $('.player-chart-container svg'); //selector is valid only for charts under Trends pages
  if (typeof (svg[0]) !== 'undefined') { //if there is no graph in page, do nothing
    $('#trendline').remove(); //remove previously drawn line
    var points = $('circle'); //get all graph points
    //calculate parameters needed for trendline
    var cnt = points.length;
    var sumx, sumy, sumx2, sumxy;
    sumx = sumy = sumx2 = sumxy = 0;
    points.each(function () {