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<stats_cdf_weibullstats_dens_beta>
^Statistic FunctionsLast updated: Mon, 26 Oct 2026

stats_covariance

(PECL stats >= 1.0.0)

stats_covariance — Computes the covariance of two data sets

Description

function 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.


<stats_cdf_weibullstats_dens_beta>
^Statistic FunctionsLast updated: Mon, 26 Oct 2026