/**
  * Set average and maximum heartrate from array
  */
 private function setAvgAndMaxHeartrateFromArray()
 {
     $array = $this->TrainingObject->getArrayHeartrate();
     if (!empty($array) && max($array) > 30) {
         $array = array_filter($array, 'ParserAbstract__ArrayFilterForLowEntries');
         $this->TrainingObject->setPulseAvg(round(array_sum($array) / count($array)));
         $this->TrainingObject->setPulseMax(max($array));
     }
 }