trader_correl
(PECL trader >= 0.2.0)
trader_correl — Pearson's Correlation Coefficient (r)
說明
array trader_correl
( array
$real0
, array $real1
[, integer $timePeriod
] )
參數
-
real0 -
浮點數陣列。
-
real1 -
浮點數陣列。
-
timePeriod -
Number of period. Valid range from 2 to 100000.
回傳值
Returns an array with calculated data or false on failure.
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