php[world] 2019 — 25 years of PHP

trader_correl

(PECL trader >= 0.2.0)

trader_correlPearson's Correlation Coefficient (r)

説明

trader_correl ( array $real0 , array $real1 [, int $timePeriod ] ) : array

パラメータ

real0

実数値の配列。

real1

実数値の配列。

timePeriod

Number of period. Valid range from 2 to 100000.

返り値

Returns an array with calculated data or false on failure.

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