Package edu.cmu.tetrad.search.test

Class ChiSquareTest.Result

java.lang.Object

edu.cmu.tetrad.search.test.ChiSquareTest.Result

Enclosing class:

ChiSquareTest

public static class ChiSquareTest.Result
extends Object

Simple class to store the parameters of the result returned by the G Square test.

Author:

Frank Wimberly

Constructor Summary

Constructors

Constructor	Description
Result(double chiSquare, double pValue, int df, boolean isIndep)	Constructs a new g square result using the given parameters.
Result(double chiSquare, double pValue, int df, boolean isIndep, boolean isValid)	Constructs a new g square result using the given parameters.

Method Summary

Modifier and Type	Method	Description
int	getDf()	Returns the adjusted degrees of freedom, or -1 if the degrees of freedom cannot be determined.
double	getPValue()	Returns the pValue of the result, or NaN if the p-value cannot be determined.
double	getXSquare()	Returns the chi square value, or NaN if the chi square value cannot be determined.
boolean	isIndep()	Returns whether the conditional independence holds or not.
boolean	isValid()	Returns whether the result is valid or not.

Methods inherited from class java.lang.Object

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

Constructor Details

Result

public Result(double chiSquare,
 double pValue,
 int df,
 boolean isIndep)

Constructs a new g square result using the given parameters.

Parameters:

chiSquare - The chi square value.

pValue - The pValue of the result.

df - The adjusted degrees of freedom.

isIndep - Whether the conditional independence holds or not. (True if it does, false if it doesn't.)

Result

public Result(double chiSquare,
 double pValue,
 int df,
 boolean isIndep,
 boolean isValid)

Constructs a new g square result using the given parameters.

Parameters:

chiSquare - The chi square value.

pValue - The pValue of the result.

df - The adjusted degrees of freedom.

isIndep - Whether the conditional independence holds or not. (True if it does, false if it doesn't.)

isValid - Whether the result is isValid or not.

Method Details

getXSquare

public double getXSquare()

Returns the chi square value, or NaN if the chi square value cannot be determined.

Returns:

the chi square value.

getPValue

public double getPValue()

Returns the pValue of the result, or NaN if the p-value cannot be determined.

Returns:

the pValue of the result.

getDf

public int getDf()

Returns the adjusted degrees of freedom, or -1 if the degrees of freedom cannot be determined.

Returns:

the adjusted degrees of freedom.

isIndep

public boolean isIndep()

Returns whether the conditional independence holds or not. (True if it does, false if it doesn't.) For invalid results, this method returns a value set by the test.

Returns:

whether the conditional independence holds or not.

isValid

public boolean isValid()

Returns whether the result is valid or not. A result is valid if its judgment of independence is not indeterminate.

Returns:

whether the result is valid or not.