Function: logn(numbers('xry')) if round(logn(numbers('xry')), numbers('xry')) > exp(mean(round(logn(numbers('xry')), numbers('xry')), logn(numbers('xry'))), round(logn(numbers('xry')), numbers('xry'))) else mean(round(logn(numbers('xry')), numbers('xry')), logn(numbers('xry')))