<?php //require_once 'Math/Stats.php'; require_once __DIR__ . '/../../vendor/autoload.php'; $data = array(); $fp = fopen(__DIR__ . "/../../tests/_data/bigcummulativedata.dat", "r"); while ((list($val, $count) = fgetcsv($fp, 80)) !== false) { $data[$val] = $count; } $s = new \PEAR\Math\Stats(); $s->setData($data, \PEAR\Math\Stats::STATS_DATA_CUMMULATIVE); try { $stats = $s->calcFull(); //print_r($stats); echo "Using Math_Stats:\n" . "mean = {$stats['mean']}\n" . "SEmean = {$stats['std_error_of_mean']}\n" . "std dev = {$stats['stdev']}\n" . "quartile(25)) = {$stats['quartiles'][25]}\n" . "median = {$stats['median']}\n" . "quartile(75) = {$stats['quartiles'][75]}\n" . "min = {$stats['min']}\n" . "max = {$stats['max']}\n" . "count = {$stats['count']}\n\n" . "Using SPSS:\n" . "mean = 2.8627\n" . "SEmean = 0.0005\n" . "std dev = 1.0630\n" . "quartile(25) = 2\n" . "median = 3\n" . "quartile(75) = 4\n" . "min = 1\n" . "max = 41\n" . "count = 4255666\n"; //Name,Mean,SEMean,StDev,Q1,Median,Q3,Min,Max,N //SPSS,2.8627,0.0005,1.0630,2,3,4,1,41,4255666 } catch (\Exception $e) { echo "\n\t Exception: " . $e->getMessage() . "\n\n"; }
// | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: Jesus M. Castagnetto <*****@*****.**> | // +----------------------------------------------------------------------+ // // $Id$ // /** * @package Math_Stats */ require_once __DIR__ . '/../../vendor/autoload.php'; // making some data sets $data = array(2, 2.3, 4.5, 2, 2, 3.2, 5.3, 3, 4, 5, 1, 6); $dnulls = array(1.165, null, "foo", 0.6268, 0.6268, 0.0751, 0.3516, -0.6965); // instantiating a Math_Stats object $s = new \PEAR\Math\Stats(); echo "*** Original data set\n"; print_r($data); $s->setData($data); echo "Basic statistics\n"; print_r($s->calcBasic()); echo "\n*** A data set with nulls\n"; print_r($dnulls); echo "Let's generate an error\n"; try { print_r($s->setData($dnulls)); } catch (\Exception $e) { echo "\n\t Exception: " . $e->getMessage() . "\n\n"; } echo "Ignoring nulls and trying again\n"; $s->setNullOption(\PEAR\Math\Stats::STATS_IGNORE_NULL);
// | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: Jesus M. Castagnetto <*****@*****.**> | // +----------------------------------------------------------------------+ // // $Id$ // /** * @package Math_Stats */ require_once __DIR__ . '/../../vendor/autoload.php'; // making some cummulative data sets $data = array("3" => 4, "2.333" => 5, "1.22" => 6, "0.5" => 3, "0.9" => 2, "2.4" => 7); $dnulls = array("3" => 4, "caca" => 2, "bar is not foo" => 6, "0.5" => 3, "0.9" => 2, "2.4" => 7); // instantiate a Math_Stats object $s = new \PEAR\Math\Stats(); $s->setData($data, \PEAR\Math\Stats::STATS_DATA_CUMMULATIVE); echo "*** Original cummulative data set\n"; print_r($data); // let's print some simple statistics echo "Simple stats from cummulative data, note the count\n"; print_r($s->calcBasic()); // now, lets generate an error by using the $dnulls array echo "\n*** Another cummulative data set\n"; print_r($dnulls); echo "Generating an error by using data with nulls\n"; try { print_r($s->setData($dnulls, \PEAR\Math\Stats::STATS_DATA_CUMMULATIVE)); } catch (\Exception $e) { echo "\n\t Exception: " . $e->getMessage() . "\n\n"; }