Package com.yahoo.labs.samoa.instances

Class DenseInstanceData

java.lang.Object

com.yahoo.labs.samoa.instances.DenseInstanceData

All Implemented Interfaces:

InstanceData, java.io.Serializable

public class DenseInstanceData
extends java.lang.Object
implements InstanceData

The Class DenseInstanceData.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected double[]	attributeValues	The attribute values.

Constructor Summary

Constructors

Constructor	Description
DenseInstanceData()	Instantiates a new dense instance data.
DenseInstanceData(double[] array)	Instantiates a new dense instance data.
DenseInstanceData(int length)	Instantiates a new dense instance data.

Method Summary

Modifier and Type	Method	Description
InstanceData	copy()	Produces a shallow copy of this instance data.
void	deleteAttributeAt(int index)	Deletes an attribute.
int	index(int indexAttribute)	Index.
void	insertAttributeAt(int index)	Inserts an attribute.
boolean	isMissing(int indexAttribute)	Checks if is missing.
boolean	isMissingSparse(int indexAttribute)	Checks if is missing sparse.
int	numAttributes()	Num attributes.
int	numValues()	Num values.
void	setValue(int attributeIndex, double d)	Sets the value.
double[]	toDoubleArray()	To double array.
double	value(int indexAttribute)	Value.
double	valueSparse(int indexAttribute)	Value sparse.

Methods inherited from class java.lang.Object

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

Field Detail

attributeValues

protected double[] attributeValues

The attribute values.

Constructor Detail

DenseInstanceData

public DenseInstanceData(double[] array)

Instantiates a new dense instance data.

Parameters:

array - the array

DenseInstanceData

public DenseInstanceData(int length)

Instantiates a new dense instance data.

Parameters:

length - the length

DenseInstanceData

public DenseInstanceData()

Instantiates a new dense instance data.

Method Detail

numAttributes

public int numAttributes()

Num attributes.

Specified by:

numAttributes in interface InstanceData

Returns:

the int

value

public double value(int indexAttribute)

Value.

Specified by:

value in interface InstanceData

Parameters:

indexAttribute - the index attribute

Returns:

the double

isMissing

public boolean isMissing(int indexAttribute)

Checks if is missing.

Specified by:

isMissing in interface InstanceData

Parameters:

indexAttribute - the index attribute

Returns:

true, if is missing

numValues

public int numValues()

Num values.

Specified by:

numValues in interface InstanceData

Returns:

the int

index

public int index(int indexAttribute)

Index.

Specified by:

index in interface InstanceData

Parameters:

indexAttribute - the index attribute

Returns:

the int

valueSparse

public double valueSparse(int indexAttribute)

Value sparse.

Specified by:

valueSparse in interface InstanceData

Parameters:

indexAttribute - the index attribute

Returns:

the double

isMissingSparse

public boolean isMissingSparse(int indexAttribute)

Checks if is missing sparse.

Specified by:

isMissingSparse in interface InstanceData

Parameters:

indexAttribute - the index attribute

Returns:

true, if is missing sparse

toDoubleArray

public double[] toDoubleArray()

To double array.

Specified by:

toDoubleArray in interface InstanceData

Returns:

the double[]

setValue

public void setValue(int attributeIndex,
                     double d)

Sets the value.

Specified by:

setValue in interface InstanceData

Parameters:

attributeIndex - the attribute index

d - the d

deleteAttributeAt

public void deleteAttributeAt(int index)

Description copied from interface: InstanceData

Deletes an attribute.

Specified by:

deleteAttributeAt in interface InstanceData

Parameters:

index - the indes

insertAttributeAt

public void insertAttributeAt(int index)

Description copied from interface: InstanceData

Inserts an attribute.

Specified by:

insertAttributeAt in interface InstanceData

Parameters:

index - the indes

copy

public InstanceData copy()

Description copied from interface: InstanceData

Produces a shallow copy of this instance data.

Specified by:

copy in interface InstanceData

Returns:

the shallow copy