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This commit is contained in:
Dennis Eichhorn 2017-10-30 11:53:35 +01:00
parent 877e56c5cd
commit a65f388603
5 changed files with 30 additions and 0 deletions
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6
Math/Statistic/Forecast/Regression/LevelLevelRegression.php
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@ -26,11 +26,17 @@ namespace phpOMS\Math\Statistic\Forecast\Regression;
*/
class LevelLevelRegression extends RegressionAbstract
{
/**
* {@inheritdoc}
*/
public static function getSlope(float $b1, float $y, float $x) : float
{
return $b1;
}
/**
* {@inheritdoc}
*/
public static function getElasticity(float $b1, float $y, float $x): float
{
return $b1 * $y / $x;

6
Math/Statistic/Forecast/Regression/LevelLogRegression.php
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@ -44,11 +44,17 @@ class LevelLogRegression extends RegressionAbstract
return parent::getRegression($x, $y);
}
/**
* {@inheritdoc}
*/
public static function getSlope(float $b1, float $y, float $x) : float
{
return $b1 / $x;
}
/**
* {@inheritdoc}
*/
public static function getElasticity(float $b1, float $y, float $x): float
{
return $b1 / $x;

6
Math/Statistic/Forecast/Regression/LogLevelRegression.php
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@ -44,11 +44,17 @@ class LogLevelRegression extends RegressionAbstract
return parent::getRegression($x, $y);
}
/**
* {@inheritdoc}
*/
public static function getSlope(float $b1, float $y, float $x) : float
{
return $b1 * $y;
}
/**
* {@inheritdoc}
*/
public static function getElasticity(float $b1, float $y, float $x): float
{
return $b1 * $x;

6
Math/Statistic/Forecast/Regression/LogLogRegression.php
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@ -45,11 +45,17 @@ class LogLogRegression extends RegressionAbstract
return parent::getRegression($x, $y);
}
/**
* {@inheritdoc}
*/
public static function getSlope(float $b1, float $y, float $x) : float
{
return $b1 * $y / $x;
}
/**
* {@inheritdoc}
*/
public static function getElasticity(float $b1, float $y, float $x): float
{
return $b1;

6
Math/Statistic/Forecast/Regression/MultipleLinearRegression.php
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@ -33,10 +33,16 @@ class MultipleLinearRegression
return $XT->mult($X)->inverse()->mult($XT)->mult($Y)->getMatrix();
}
/**
* {@inheritdoc}
*/
public static function getVariance() : float
{
}
/**
* {@inheritdoc}
*/
public static function getPredictionInterval() : array
{
}