timePeriod can be from 1 (not from 2)
Working correctly, and tis is common need to calculate change from previos period.
(PECL trader >= 0.2.0)
trader_rocr — Rate of change ratio: (price/prevPrice)
real
Array de valores reais.
timePeriod
Número de período. Intervalo válido de 2 a 100000.
Returns an array with calculated data or false on failure.
timePeriod can be from 1 (not from 2)
Working correctly, and tis is common need to calculate change from previos period.