/**
* @throws RegressionException
*/
public function testCalculate()
{
$linear = new ExponentialRegression();
$linear->setSourceSequence($this->rows[0]);
$linear->calculate();
/** @var RegressionModel $regressionModel */
$regressionModel = $linear->getRegressionModel();
$this->assertEquals('y = 30.2+ e^(0.39x)', $regressionModel->getEquation());
$this->assertEquals(1470, round($regressionModel->getResultSequence()[9][1]));
$this->assertEquals(997, round($regressionModel->getResultSequence()[8][1]));
$this->assertEquals(676, round($regressionModel->getResultSequence()[7][1]));
$regressionModel = RegressionFactory::exponential($this->rows[1]);
$this->assertEquals('y = 12.36+ e^(0.02x)', $regressionModel->getEquation());
$this->assertEquals(13, round($regressionModel->getResultSequence()[0][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[1][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[2][1]));
}
* Calculate linear regression call calculate() */ $linear = new LinearRegression(); $linear->setSourceSequence($testData); $linear->calculate(); /** @var RegressionModel $regressionModel */ $regressionModel = $linear->getRegressionModel(); /** * Calculate with Fabric method */ /** @var RegressionModel $regressionModel */ $regressionModel = RegressionFactory::linear($testData); /** * Calculate Exponential regression call calculate() */ $exponential = new ExponentialRegression(); $exponential->setSourceSequence($testData); $exponential->calculate(); /** * And with Fabric method */ $regressionModel = $exponential->getRegressionModel(); /** * Calculate logarithmic regression call calculate() */ $logarithmic = new LogarithmicRegression(); $logarithmic->setSourceSequence($testData); $logarithmic->calculate(); /** @var RegressionModel $regressionModel */ $regressionModel = $logarithmic->getRegressionModel(); $regressionModel = RegressionFactory::logarithmic($testData);
