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31 lines
718 B
PHP
31 lines
718 B
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.2
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*
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* @package tests
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://website.orange-management.de
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*/
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namespace phpOMS\tests\Math\Statistic\Forecast\Regression;
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use phpOMS\Math\Statistic\Forecast\Regression\LogLogRegression;
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class LogLogRegressionTest extends \PHPUnit\Framework\TestCase
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{
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public function testRegression()
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{
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// ln(y) = 2 + 3 * ln(x) => y = e^(2 + 3 * ln(x))
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$x = [0.25, 0.5, 1, 1.5];
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$y = [0.115, 0.924, 7.389, 24.938];
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$reg = LogLogRegression::getRegression($x, $y);
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self::assertEquals(['b0' => 2, 'b1' => 3], $reg, '', 0.2);
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}
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}
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