Stats
Calculate Running basic statistics, using bcMath: min, avg, max, sum, var, stdDev, skewness, kurtosis, coefficient of variation (cv)
Setup
$stat = new Stats(); $stat = new Stats($scale = 8, $exceptions = 8); $scale number of decimals $exceptions How to manage missing, null, N/A & not numeric. default: MISSING_ZERO | NA_ZERO (missing & N/A set to 0.00) Stats::MISSING_ZERO Stats::MISSING_SKIP Stats::NA_ZERO Stats::NA_SKIP
Value by value
$stat = new Stats(); for($i=1; $i<11; $i++) $stat->push($i); $result = $stat->stats();
Fatal error: Uncaught Error: Class "ia\Math\Stats" not found in /lamp/www/iaLib/ia_examples/usage/ia/Math/Stats_usage.php:38 Stack trace: #0 {main} thrown in /lamp/www/iaLib/ia_examples/usage/ia/Math/Stats_usage.php on line 38