PHP Conference Nagoya 2025

    trader_correl

    (PECL trader >= 0.2.0)

    trader_correl — Pearson's Correlation Coefficient (r)

    Description

    trader_correl(array $real0, array $real1, int $timePeriod = ?): array

    Parameters

    real0

    Array of real values.

    real1

    Array of real values.

    timePeriod

    Number of period. Valid range from 2 to 100000.

    Return Values

    Returns an array with calculated data or false on failure.

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