array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'it', ), 'this' => array ( 0 => 'function.stats-stat-correlation.php', 1 => 'stats_stat_correlation', 2 => 'Returns the Pearson correlation coefficient of two data sets', ), 'up' => array ( 0 => 'ref.stats.php', 1 => 'Statistic Funzioni', ), 'prev' => array ( 0 => 'function.stats-stat-binomial-coef.php', 1 => 'stats_stat_binomial_coef', ), 'next' => array ( 0 => 'function.stats-stat-factorial.php', 1 => 'stats_stat_factorial', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/stats/functions/stats-stat-correlation.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

stats_stat_correlation

(PECL stats >= 1.0.0)

stats_stat_correlation — Returns the Pearson correlation coefficient of two data sets

Descrizione

stats_stat_correlation(array $arr1, array $arr2): float

Returns the Pearson correlation coefficient between arr1 and arr2.

Elenco dei parametri

arr1

The first array

arr2

The second array

Valori restituiti

Returns the Pearson correlation coefficient between arr1 and arr2, or false on failure.