PHP Manual
Statistic Functions
Computes the covariance of two data sets

stats_covariance

(PECL stats >= 1.0.0)

stats_covariance — Computes the covariance of two data sets

Description

stats_covariance(array $a, array $b): float

Returns the covariance of a and b.

Parameters

a: The first array
b: The second array

Return Values

Returns the covariance of a and b, or false on failure.

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