trader_correl
(PECL trader >= 0.2.0)
trader_correl — Pearson'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.