Package edu.cmu.tetrad.calculator.expression

Class VariableExpression

java.lang.Object

edu.cmu.tetrad.calculator.expression.VariableExpression

All Implemented Interfaces:

Expression, TetradSerializable, Serializable

public class VariableExpression
extends Object
implements Expression

An Expression for a variable.

Version:

$Id: $Id

Author:

Tyler Gibson

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
VariableExpression(String variable)	Constructor for VariableExpression.

Method Summary

Modifier and Type	Method	Description
double	evaluate(Context context)	Evaluates the expression using the given context
Double	evaluateGeneric(Context context)	evaluateGeneric.
List<Expression>	getExpressions()	getExpressions.
org.apache.commons.math3.distribution.IntegerDistribution	getIntegerDistribution(Context context)	getIntegerDistribution.
ExpressionDescriptor.Position	getPosition()	getPosition.
org.apache.commons.math3.distribution.RealDistribution	getRealDistribution(Context context)	getRealDistribution.
String	getToken()	getToken.
String	getVariable()	Getter for the field variable.
static VariableExpression	serializableInstance()	serializableInstance.
String	toString()	toString.

Methods inherited from class java.lang.Object

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

Constructor Details

VariableExpression

public VariableExpression(String variable)

Constructor for VariableExpression.

Parameters:

variable - a String object

Method Details

serializableInstance

public static VariableExpression serializableInstance()

serializableInstance.

Returns:

a VariableExpression object

getVariable

public String getVariable()

Getter for the field variable.

Returns:

the variable.

evaluateGeneric

public Double evaluateGeneric(Context context)

evaluateGeneric.

Parameters:

context - a Context object

Returns:

a Double object

evaluate

public double evaluate(Context context)

Evaluates the expression using the given context

Specified by:

evaluate in interface Expression

Parameters:

context - a Context object

Returns:

a double

getToken

public String getToken()

getToken.

Specified by:

getToken in interface Expression

Returns:

a String object

getPosition

public ExpressionDescriptor.Position getPosition()

getPosition.

Specified by:

getPosition in interface Expression

Returns:

a ExpressionDescriptor.Position object

getExpressions

public List<Expression> getExpressions()

getExpressions.

Specified by:

getExpressions in interface Expression

Returns:

a List object

toString

public String toString()

toString.

Overrides:

toString in class Object

Returns:

a String object

getRealDistribution

public org.apache.commons.math3.distribution.RealDistribution getRealDistribution(Context context)

getRealDistribution.

Specified by:

getRealDistribution in interface Expression

Parameters:

context - a Context object

Returns:

a RealDistribution object

getIntegerDistribution

public org.apache.commons.math3.distribution.IntegerDistribution getIntegerDistribution(Context context)

getIntegerDistribution.

Specified by:

getIntegerDistribution in interface Expression

Parameters:

context - a Context object

Returns:

a IntegerDistribution object