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trader_rocr

(PECL trader >= 0.2.0)

trader_rocrRate of change ratio: (price/prevPrice)

Descrição

trader_rocr(array $real, int $timePeriod = ?): array

Parâmetros

real

Array de valores reais.

timePeriod

Número de período. Intervalo válido de 2 a 100000.

Valor Retornado

Returns an array with calculated data or false on failure.

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mityaev_ivan at mail dot ru
10 years ago
timePeriod can be from 1 (not from 2)
Working correctly, and tis is common need to calculate change from previos period.
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