Code Coverage for /var/www/html/dev/src/phpOMS/Math/Statistic/Basic.php

1	<?php
2	/**
3	* Jingga
4	*
5	* PHP Version 8.1
6	*
7	* @package phpOMS\Math\Statistic
8	* @copyright Dennis Eichhorn
9	* @license OMS License 2.0
10	* @version 1.0.0
11	* @link https://jingga.app
12	*/
13	declare(strict_types=1);
14
15	namespace phpOMS\Math\Statistic;
16
17	/**
18	* Basic statistic functions.
19	*
20	* @package phpOMS\Math\Statistic
21	* @license OMS License 2.0
22	* @link https://jingga.app
23	* @since 1.0.0
24	*/
25	final class Basic
26	{
27	/**
28	* Constructor.
29	*
30	* @since 1.0.0
31	* @codeCoverageIgnore
32	*/
33	private function __construct()
34	{
35	}
36
37	/**
38	* Calculate frequency.
39	*
40	* Example: ([4, 5, 9, 1, 3])
41	*
42	* @param array<array\|int\|float> $values Values
43	*
44	* @return array<array\|int\|float>
45	*
46	* @since 1.0.0
47	*/
48	public static function frequency(array $values) : array
49	{
50	$freaquency = [];
51	$sum = 1;
52
53	if (!(\is_array(\reset($values)))) {
54	$sum = \array_sum($values);
55	}
56
57	foreach ($values as $value) {
58	$freaquency[] = \is_array($value) ? self::frequency($value) : $value / $sum;
59	}
60
61	return $freaquency;
62	}
63	}