MathPHP\Statistics\Regression\PowerLawTest::testGetParameters PHP Method

    public function testGetParameters(array $points, $a, $b)
    {
        $regression = new PowerLaw($points);
        $parameters = $regression->getParameters();
        $this->assertEquals($a, $parameters['a'], '', 0.0001);
        $this->assertEquals($b, $parameters['b'], '', 0.0001);
    }