Catalano.Statistics.Regression

Class PolynomialRegression

java.lang.Object

Catalano.Statistics.Regression.PolynomialRegression

All Implemented Interfaces:

ISimpleRegression

public class PolynomialRegression
extends java.lang.Object
implements ISimpleRegression

Polynomial Regression.

Constructor Summary

Constructors

Constructor and Description
PolynomialRegression(double[] x, double[] y) Initializes a new instance of the PolynomialRegression class.
PolynomialRegression(double[] x, double[] y, int degree) Initializes a new instance of the PolynomialRegression class.

Method Summary

Modifier and Type	Method and Description
double	CoefficientOfDetermination() Get the R^2.
int	getDegree() Get degree.
double	Regression(double x) Compute regression of specific value.
double[]	Regression(double[] x) Compute regression in the vector.
void	setDegree(int degree) Set degree.
java.lang.String	toString() Show the regression's equation.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PolynomialRegression

public PolynomialRegression(double[] x,
                            double[] y)

Initializes a new instance of the PolynomialRegression class.

Parameters:

x - Data.

y - Data.

PolynomialRegression

public PolynomialRegression(double[] x,
                            double[] y,
                            int degree)

Initializes a new instance of the PolynomialRegression class.

Parameters:

x - Data.

y - Data.

degree - Degree.

Method Detail

getDegree

public int getDegree()

Get degree.

Returns:

Degree.

setDegree

public void setDegree(int degree)

Set degree.

Parameters:

degree - Degree.

Regression

public double Regression(double x)

Description copied from interface: ISimpleRegression

Compute regression of specific value.

Specified by:

Regression in interface ISimpleRegression

Parameters:

x - Value.

Returns:

Regression.

Regression

public double[] Regression(double[] x)

Description copied from interface: ISimpleRegression

Compute regression in the vector.

Specified by:

Regression in interface ISimpleRegression

Parameters:

x - Vector.

Returns:

Regression.

CoefficientOfDetermination

public double CoefficientOfDetermination()

Description copied from interface: ISimpleRegression

Get the R^2.

Specified by:

CoefficientOfDetermination in interface ISimpleRegression

Returns:

toString

public java.lang.String toString()

Description copied from interface: ISimpleRegression

Show the regression's equation.

Specified by:

toString in interface ISimpleRegression

Overrides:

toString in class java.lang.Object