SunshinePHP 2020

trader_rocr

(PECL trader >= 0.2.0)

trader_rocrRate of change ratio: (price/prevPrice)

Описание

trader_rocr ( array $real [, int $timePeriod ] ) : array

Список параметров

real

Массив, содержащий реальные значения.

timePeriod

Номер периода. Допустимы значения от 2 до 100000.

Возвращаемые значения

Returns an array with calculated data or false on failure.

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mityaev_ivan at mail dot ru
5 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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