trader_beta

(PECL trader >= 0.2.0)

trader_beta — Beta

Description

trader_beta ( array $real0 , array $real1 [, int $timePeriod ] ) : array

Parameters

real0

Array of real values.

real1

Array of real values.

timePeriod

Number of period. Valid range from 2 to 100000.

Return Values

Returns an array with calculated data or false on failure.