TRADER_DEMA(3) 1 TRADER_DEMA(3) trader_dema - Double Exponential Moving AverageSYNOPSISarray trader_dema (array $real, [integer $timePeriod])DESCRIPTIONPARAMETERSo $real - Array of real values. o $timePeriod - Number of period. Valid range from 2 to 100000.RETURN VALUESReturns an array with calculated data or false on failure. PHP Documentation Group TRADER_DEMA(3)