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PHP Statistics::mean方法代码示例

本文整理汇总了PHP中Statistics::mean方法的典型用法代码示例。如果您正苦于以下问题:PHP Statistics::mean方法的具体用法?PHP Statistics::mean怎么用?PHP Statistics::mean使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Statistics的用法示例。


在下文中一共展示了Statistics::mean方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: __construct

 public function __construct(array $samples, array $stats = [])
 {
     if (count($samples) < 1) {
         throw new \LogicException('Cannot create a distribution with zero samples.');
     }
     $this->samples = $samples;
     $this->closures = ['min' => function () {
         return min($this->samples);
     }, 'max' => function () {
         return max($this->samples);
     }, 'sum' => function () {
         return array_sum($this->samples);
     }, 'stdev' => function () {
         return Statistics::stdev($this->samples);
     }, 'mean' => function () {
         return Statistics::mean($this->samples);
     }, 'mode' => function () {
         return Statistics::kdeMode($this->samples);
     }, 'variance' => function () {
         return Statistics::variance($this->samples);
     }, 'rstdev' => function () {
         $mean = $this->getMean();
         return $mean ? $this->getStdev() / $mean * 100 : 0;
     }];
     if ($diff = array_diff(array_keys($stats), array_keys($this->closures))) {
         throw new \RuntimeException(sprintf('Unknown pre-computed stat(s) encountered: "%s"', implode('", "', $diff)));
     }
     $this->stats = $stats;
 }
开发者ID:dantleech,项目名称:phpbench,代码行数:29,代码来源:Distribution.php

示例2: testMean

 public function testMean()
 {
     $stats = new Statistics();
     $sets = $this->getSetData();
     foreach ($sets as $name => $data) {
         $stats->set($name, $data['set']);
         $this->assertEquals($data['mean'], $stats->mean($name), 'Set ' . $name . ' mean()');
     }
 }
开发者ID:giberti,项目名称:phormance,代码行数:9,代码来源:StatisticsTest.php

示例3: testMean

 public function testMean()
 {
     //
     // Integers
     //
     $values = [1, 2, 3, 4, 4];
     $result = Statistics::mean($values);
     $expected = 2.8;
     $this->assertIdentical($expected, $result);
     //
     // Floats
     //
     $values = [-1.0, 2.5, 3.25, 5.75];
     $result = Statistics::mean($values);
     $expected = 2.625;
     $this->assertIdentical($expected, $result);
     //
     // Mixed
     //
     $values = [-2, 2.5, 3.25, 5.75, 0];
     $result = Statistics::mean($values);
     $expected = 1.9;
     $this->assertIdentical($expected, $result);
 }
开发者ID:tersmitten,项目名称:cakephp-statistics,代码行数:24,代码来源:StatisticsTest.php


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