PHP Class MathPHP\Statistics\Regression\Regression

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Protected Properties

Свойство Type Description
$n integer Number of points
$points array .. ]
$xs array X values of the original points
$ys [type] Y values of the original points

Méthodes publiques

Méthode Description
__construct ( array $points ) Constructor - Prepares the data arrays for regression analysis
evaluate ( number $x ) : number Evaluate the regression equation at x Uses the instance model's evaluateModel method.
getPoints ( ) : array Get points
getSampleSize ( ) : integer Get sample size (number of points)
getXs ( ) : array Get Xs (x values of each point)
getYs ( ) : array Get Ys (y values of each point)
yHat ( ) : array Ŷ (yhat) A list of the predicted values of Y given the regression.

Method Details

__construct() public méthode

Constructor - Prepares the data arrays for regression analysis
public __construct ( array $points )
$points array [ [x, y], [x, y], ... ]

evaluate() public méthode

Evaluate the regression equation at x Uses the instance model's evaluateModel method.
public evaluate ( number $x ) : number
$x number
Résultat number

getPoints() public méthode

Get points
public getPoints ( ) : array
Résultat array

getSampleSize() public méthode

Get sample size (number of points)
public getSampleSize ( ) : integer
Résultat integer

getXs() public méthode

Get Xs (x values of each point)
public getXs ( ) : array
Résultat array of x values

getYs() public méthode

Get Ys (y values of each point)
public getYs ( ) : array
Résultat array of y values

yHat() public méthode

Ŷ (yhat) A list of the predicted values of Y given the regression.
public yHat ( ) : array
Résultat array

Property Details

$n protected_oe property

Number of points
protected int $n
Résultat integer

$points protected_oe property

.. ]
protected array $points
Résultat array

$xs protected_oe property

X values of the original points
protected array $xs
Résultat array

$ys protected_oe property

Y values of the original points
protected [type] $ys
Résultat [type]