trader_stddev
    PHP Manual
    PHP Manual»Trader Funzioni»trader_stddev

    trader_stddev

    (PECL trader >= 0.2.0)

    trader_stddev — Standard Deviation

    Descrizione

    function trader_stddev(array $real, int $timePeriod = ?, float $nbDev = ?): array

    Elenco dei parametri

    real

    Array of real values.

    timePeriod

    Number of period. Valid range from 2 to 100000.

    nbDev

    Valori restituiti

    Returns an array with calculated data or false on failure.

    PHP logo

    PHP is developed and maintained by a global community of contributors.

    The PHP Foundation helps fund this work. If PHP is part of your business or projects, consider sponsoring the Foundation.
    PHP

    Learn

    The PHP Foundation

    Legal

    Copyright © 2001 - 2026 the PHP Group. All Rights Reserved.
    To Top