public function refreshValues()
 {
     $this->conversion_rate = MathHelper::calcConvRate($this->conversions, $this->clicks);
     $this->cost_per_conversion = MathHelper::calcCostConv($this->cost, $this->conversions);
     $this->conversion_rate_many_per_click = MathHelper::calcConvRate($this->conversions_many_per_click, $this->clicks);
     $this->cost_per_conversion_many_per_click = MathHelper::calcCostConv($this->cost, $this->conversions_many_per_click);
     parent::refreshValues();
 }
 /**
  * refresh calculable values (like ctr and cpc) with the actual values
  */
 public function refreshValues()
 {
     $statses = $this->stats;
     $this->purgeStats();
     foreach ($statses as $stats) {
         $this->addStats($stats);
     }
     $this->stats_report->refreshValues();
     $this->average_position = $this->getAveragePositionSum() / count($this->stats);
     $this->conversion_rate = MathHelper::calcConvRate($this->conversions, $this->clicks);
     $this->conversion_rate_many_per_click = MathHelper::calcConvRate($this->conversions_many_per_click, $this->clicks);
     $this->cost_per_conversion = MathHelper::calcCostConv($this->cost, $this->conversions);
     $this->cost_per_conversion_many_per_click = MathHelper::calcCostConv($this->cost, $this->conversions_many_per_click);
 }