unemployment Posted March 29, 2012 Share Posted March 29, 2012 I tried using the stats_covariance() in my php, but I got this error: E_ERROR: Call to undefined function stats_covariance() Do I have to install something specific for this to work? Link to comment https://forums.phpfreaks.com/topic/259961-stats_covariance/ Share on other sites More sharing options...
smerny Posted March 29, 2012 Share Posted March 29, 2012 http://php.net/manual/en/function.stats-covariance.php stats_covariance (PECL stats >= 1.0.0) http://pecl.php.net/package/stats Link to comment https://forums.phpfreaks.com/topic/259961-stats_covariance/#findComment-1332450 Share on other sites More sharing options...
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