is2.data

Class FVR

java.lang.Object

is2.data.IFV

is2.data.FVR

public final class FVR
extends IFV

Constructor Summary

Constructors

Constructor and Description
FVR()
FVR(DataInputStream dos) Read a feature vector
FVR(DataInputStream dos, int capacity) Read a feature vector
FVR(FVR fv1, FVR fv2, boolean negSecond)
FVR(int initialCapacity)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(int i)
void	add(int i, float f)
void	clear()
IFV	clone()
int	createFeature(int i, float v)
int	dotProduct(FVR fl2)
FVR	getDistVector(FVR fl2)
int	getIndex(int i)
double	getScore()
double	getScore(double[] parameters, boolean negate)
float	getScore(float[] parameters, boolean negate)
int	getScore(short[] parameters, boolean negate)
boolean	isEmpty()
static FVR	read(DataInputStream dis)
void	setIndex(int p, int i)
int	size()
String	toString()
void	trimToSize() Trims the capacity of this Graph instance to true size.
void	update(float[] parameters, float[] total, double alpha_k, double upd, boolean negate)
void	writeKeys(DataOutputStream dos)

Methods inherited from class is2.data.IFV

add

Methods inherited from class java.lang.Object

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

Constructor Detail

FVR

public FVR()

FVR

public FVR(int initialCapacity)

FVR

public FVR(FVR fv1,
   FVR fv2,
   boolean negSecond)

FVR

public FVR(DataInputStream dos,
   int capacity)
    throws IOException

Read a feature vector

Parameters:

index -

value -

Throws:

IOException

FVR

public FVR(DataInputStream dos)
    throws IOException

Read a feature vector

Parameters:

index -

value -

Throws:

IOException

Method Detail

size

public final int size()

isEmpty

public final boolean isEmpty()

clear

public final void clear()

Specified by:

clear in class IFV

createFeature

public final int createFeature(int i,
                float v)

getIndex

public final int getIndex(int i)

setIndex

public void setIndex(int p,
            int i)

trimToSize

public void trimToSize()

Trims the capacity of this Graph instance to true size. An application can use this operation to minimize the storage of an Graph instance.

add

public final void add(int i)

Specified by:

add in class IFV

add

public final void add(int i,
       float f)

getDistVector

public FVR getDistVector(FVR fl2)

getScore

public double getScore(double[] parameters,
              boolean negate)

getScore

public final float getScore(float[] parameters,
             boolean negate)

getScore

public final int getScore(short[] parameters,
           boolean negate)

update

public final void update(float[] parameters,
          float[] total,
          double alpha_k,
          double upd,
          boolean negate)

dotProduct

public int dotProduct(FVR fl2)

toString

public final String toString()

Overrides:

toString in class Object

writeKeys

public void writeKeys(DataOutputStream dos)
               throws IOException

Throws:

IOException

read

public static final FVR read(DataInputStream dis)
                      throws IOException

Throws:

IOException

getScore

public double getScore()

Specified by:

getScore in class IFV

clone

public IFV clone()

Specified by:

clone in class IFV