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trader_stddev

PHP function Edit on GitHub ✎

(PECL trader >= 0.2.0)

Standard Deviation

Description

trader_stddev(array $real, [int $timePeriod], [float $nbDev]): array

Returns an array with calculated data or false on failure.

Source: reference/trader/functions/trader-stddev.xml · from the official PHP manual (php/doc-en)