/**
* @throws RegressionException
*/
public function testCalculate()
{
$linear = new LinearRegression();
$linear->setSourceSequence($this->rows[0]);
$linear->calculate();
/** @var RegressionModel $regressionModel */
$regressionModel = $linear->getRegressionModel();
$this->assertEquals('y = 142.4x + -341.2', $regressionModel->getEquation());
$this->assertEquals(1083, round($regressionModel->getResultSequence()[9][1]));
$this->assertEquals(940, round($regressionModel->getResultSequence()[8][1]));
$this->assertEquals(798, round($regressionModel->getResultSequence()[7][1]));
$regressionModel = RegressionFactory::linear($this->rows[1]);
$this->assertEquals('y = 0.3x + 12.3', $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]));
}
/**
* @throws RegressionException
*/
public function testCalculate()
{
$linear = new PowerRegression();
$linear->setSourceSequence($this->rows[0]);
$linear->calculate();
/** @var RegressionModel $regressionModel */
$regressionModel = $linear->getRegressionModel();
$this->assertEquals('y = 7.52 + x^2.18', $regressionModel->getEquation());
$this->assertEquals(1126, round($regressionModel->getResultSequence()[9][1]));
$this->assertEquals(895, round($regressionModel->getResultSequence()[8][1]));
$this->assertEquals(693, round($regressionModel->getResultSequence()[7][1]));
$regressionModel = RegressionFactory::power($this->rows[1]);
$this->assertEquals('y = 11.69 + x^0.11', $regressionModel->getEquation());
$this->assertEquals(12, round($regressionModel->getResultSequence()[0][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[1][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[2][1]));
}
/**
* @throws RegressionException
*/
public function testCalculate()
{
$linear = new LogarithmicRegression();
$linear->setSourceSequence($this->rows[0]);
$linear->calculate();
/** @var RegressionModel $regressionModel */
$regressionModel = $linear->getRegressionModel();
$this->assertEquals('y = -320.03 + 504.51ln(x)', $regressionModel->getEquation());
$this->assertEquals(842, round($regressionModel->getResultSequence()[9][1]));
$this->assertEquals(788, round($regressionModel->getResultSequence()[8][1]));
$this->assertEquals(729, round($regressionModel->getResultSequence()[7][1]));
$regressionModel = RegressionFactory::logarithmic($this->rows[1]);
$this->assertEquals('y = 11.73 + 1.43ln(x)', $regressionModel->getEquation());
$this->assertEquals(12, round($regressionModel->getResultSequence()[0][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[1][1]));
$this->assertEquals(13, round($regressionModel->getResultSequence()[2][1]));
}
/**
* @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]));
}
$regressionModel = RegressionFactory::linear($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); /** * Calculate power regression call calculate() */ $powerReg = new PowerRegression(); $powerReg->setSourceSequence($testData); $powerReg->calculate(); /** @var RegressionModel $regressionModel */ $regressionModel = $powerReg->getRegressionModel(); $regressionModel = RegressionFactory::power($testData); var_dump($regressionModel); //var_dump(RegressionFactory::Power($testData));
