Php/docs/function.trader-correl

来自菜鸟教程
跳转至:导航、​搜索

trader_correl

(PECL trader >= 0.2.0)

trader_correlPearson's Correlation Coefficient (r)


说明

trader_correl ( 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.