(PECL stats >= 1.0.0)
stats_stat_correlation — Returns the Pearson correlation coefficient of two data sets
stats_stat_correlation ( array $arr1 , array $arr2 ) : float
Returns the Pearson correlation coefficient between arr1 and arr2.
arr1
The first array
arr2
The second array
Returns the Pearson correlation coefficient between arr1 and arr2, or false on failure.
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.stats-stat-correlation.php