Piwik\Plugins\Events\Archiver::aggregateMultipleReports PHP Method

    public function aggregateMultipleReports()
    {
        $dataTableToSum = $this->getRecordNames();
        $columnsAggregationOperation = array(Metrics::INDEX_EVENT_MIN_EVENT_VALUE => 'min', Metrics::INDEX_EVENT_MAX_EVENT_VALUE => 'max');
        $this->getProcessor()->aggregateDataTableRecords($dataTableToSum, $this->maximumRowsInDataTable, $this->maximumRowsInSubDataTable, $this->columnToSortByBeforeTruncation, $columnsAggregationOperation, $columnsToRenameAfterAggregation = null, $countRowsRecursive = array());
    }