Trader 函数
PHP Manual

trader_correl

(PECL trader >= 0.2.0)

trader_correlPearson's Correlation Coefficient (r)

说明

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

参数

real0

Array of real values.

real1

Array of real values.

timePeriod

Number of period. Valid range from 2 to 100000.

返回值

Returns an array with calculated data or false on failure.


Trader 函数
PHP Manual