phpOMS/tests/Math/Statistic/Forecast/Regression/LevelLogRegressionTest.php

32 lines
756 B
PHP

<?php
/**
* Orange Management
*
* PHP Version 7.2
*
* @package tests
* @copyright Dennis Eichhorn
* @license OMS License 1.0
* @version 1.0.0
* @link http://website.orange-management.de
*/
namespace phpOMS\tests\Math\Statistic\Forecast\Regression;
use phpOMS\Math\Statistic\Forecast\Regression\LevelLogRegression;
use phpOMS\Math\Statistic\Forecast\Regression\LevelLevelRegression;
class LevelLogRegressionTest extends \PHPUnit\Framework\TestCase
{
public function testRegression()
{
// y = 1 + log(x)
$x = [0.25, 0.5, 1, 1.5];
$y = [-0.386, 0.307, 1, 1.405];
$reg = LevelLogRegression::getRegression($x, $y);
self::assertEquals(['b0' => 1, 'b1' => 1], $reg, '', 0.2);
}
}