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update : 2015.11.03
php.shukuma.com검색:
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trader_correl(PECL trader >= 0.2.0) trader_correl — Pearson's Correlation Coefficient (r) 설명
array trader_correl
( array
$real0
, array $real1
[, integer $timePeriod
] )
인수
반환값Returns an array with calculated data or false on failure. |