trader_beta

(PECL trader >= 0.2.0)

trader_beta — Beta

说明

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

参数

real0: 浮点数数组。
real1: 浮点数数组。
timePeriod: Number of period. Valid range from 2 to 100000.

返回值

Returns an array with calculated data or false on failure.