trader_beta

(PECL trader >= 0.2.0)

trader_beta — Beta

说锟斤拷

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

锟斤拷锟斤拷

real0: 锟斤拷锟斤拷锟斤拷锟斤拷锟介。
real1: 锟斤拷锟斤拷锟斤拷锟斤拷锟介。
timePeriod: Number of period. Valid range from 2 to 100000.

锟斤拷锟斤拷值

Returns an array with calculated data or false on failure.