is2.data

Class FV

java.lang.Object

is2.data.IFV

is2.data.FV

public final class FV
extends IFV

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
void	add(int i)
void	add(int[] i)
void	addFeaturesToMap(IntIntHash map)
static FV	cat(FV f1, FV f2)
static FV	cat(FV f1, FV f2, FV f3)
static FV	cat(FV f1, FV f2, FV f3, FV f4)
void	clear()
IFV	clone()
int	createFeature(int i)
int	createFeature(int i, double v)
int	dotProduct(FV fl2)
FV	getDistVector(FV 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()
void	put(int i, double f)
static FV	read(DataInputStream dis)
void	readKeys(DataInputStream dos)
void	setIndex(int p, int i)
int	size()
String	toString()
void	trimToSize() Trims the capacity of this Graph instance to true size.
double	twoNorm(FV fl2)
void	update(double[] parameters, double[] total, double alpha_k, double upd)
void	update(double[] parameters, double[] total, double alpha_k, double upd, boolean negate)
void	update(float[] parameters, float[] total, double alpha_k, double upd, boolean negate)
void	update(float[] parameters, float[] total, double alpha_k, double upd, boolean negate, float[] totalp, Long2IntInterface li)
void	update(short[] parameters, short[] 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

FV

public FV()

FV

public FV(int initialCapacity)

FV

public FV(FV fv1,
  FV fv2)

FV

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

FV

public FV(DataInputStream dos,
  int capacity)
   throws IOException

Read a feature vector

Parameters:

index -

value -

Throws:

IOException

FV

public FV(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,
                double v)

createFeature

public final int createFeature(int i)

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)

put

public final void put(int i,
       double f)

getDistVector

public FV getDistVector(FV 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 void update(double[] parameters,
          double[] total,
          double alpha_k,
          double upd)

update

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

update

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

update

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

update

public final void update(float[] parameters,
          float[] total,
          double alpha_k,
          double upd,
          boolean negate,
          float[] totalp,
          Long2IntInterface li)

dotProduct

public int dotProduct(FV fl2)

twoNorm

public double twoNorm(FV fl2)

addFeaturesToMap

public void addFeaturesToMap(IntIntHash map)

toString

public final String toString()

Overrides:

toString in class Object

writeKeys

public void writeKeys(DataOutputStream dos)
               throws IOException

Throws:

IOException

readKeys

public void readKeys(DataInputStream dos)
              throws IOException

Throws:

IOException

cat

public static final FV cat(FV f1,
     FV f2)

cat

public static final FV cat(FV f1,
     FV f2,
     FV f3)

cat

public static final FV cat(FV f1,
     FV f2,
     FV f3,
     FV f4)

read

public static final FV 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