update : 2015.11.03

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Beta

Trader 함수 목록

trader_beta

(PECL trader >= 0.2.0)

trader_beta — Beta

설명

array trader_beta ( array $real0 , array $real1 [, integer $timePeriod ] )

인수

real0: Array of real values.
real1: Array of real values.
timePeriod: Number of period. Valid range from 2 to 100000.

반환값

Returns an array with calculated data or false on failure.

Trader 함수 목록