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    trader_rocr

    (PECL trader >= 0.2.0)

    trader_rocr — Rate 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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    User Contributed Notes 1 note

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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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