trader_beta

(PECL trader >= 0.2.0)

trader_beta — Beta

說明

trader_beta(array $real0, array $real1, int $timePeriod = ?): array

參數(shù)

real0

浮點數(shù)數(shù)組。

real1

浮點數(shù)數(shù)組。

timePeriod

Number of period. Valid range from 2 to 100000.

返回值

Returns an array with calculated data or false on failure.