mark.nlp.features
Class BagCorpusCounter

java.lang.Object
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  +--mark.nlp.features.CorpusCounter
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        +--mark.nlp.features.BagCorpusCounter

public class BagCorpusCounter

extends CorpusCounter

A corpus counter implemented as a collection of bags. The big bag contains counts in the entire corpus. Each cbag contains the counts with a single category.

Constructor Summary

BagCorpusCounter(Bag bigBag, Bag[] cBags)
Initializes the BagCorpusCounter with the given bags.

Method Summary

Bag	bigBag() Returns the big bag.
Bag	cBag(int c) Returns a c bag.
int	CLength() Returns the number of values C can assume.
double	num() Returns the total number of samples.
double	numC(int c) Returns #(C = c).
double	numCW(int c, java.lang.Object w) Returns #(C = c, W = w).
double	numW(java.lang.Object w) Returns #(W = w).
java.util.Iterator	WIterator() Returns an iterator over the values W can assume.
java.util.Iterator	WIterator(int c) Returns an iterator over the values W assumes in conjunction with a given value of C.
int	WLength() Returns the number of values W can assume.

Methods inherited from class mark.nlp.features.CorpusCounter

countTable, countTable

Methods inherited from class java.lang.Object

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

Constructor Detail

BagCorpusCounter

public BagCorpusCounter(Bag bigBag,
                        Bag[] cBags)

Initializes the BagCorpusCounter with the given bags.

Parameters:

bigBag - the entire bag of samples.

cBags - an array of bags, one for each value of C.

Method Detail

bigBag

public Bag bigBag()

Returns the big bag.

Returns:

the big bag.

cBag

public Bag cBag(int c)

Returns a c bag.

Parameters:

c - the index of the c bag.

Returns:

the c bag.

WIterator

public java.util.Iterator WIterator()

Returns an iterator over the values W can assume.

Specified by:

WIterator in class CorpusCounter

Returns:

the iterator.

WIterator

public java.util.Iterator WIterator(int c)

Returns an iterator over the values W assumes in conjunction with a given value of C.

Specified by:

WIterator in class CorpusCounter

Parameters:

c - the C value.

Returns:

the iterator.

CLength

public int CLength()

Returns the number of values C can assume.

Specified by:

CLength in class CorpusCounter

Returns:

l(C).

WLength

public int WLength()

Returns the number of values W can assume.

Specified by:

WLength in class CorpusCounter

Returns:

l(W).

numCW

public double numCW(int c,
                    java.lang.Object w)

Returns #(C = c, W = w).

Specified by:

numCW in class CorpusCounter

Parameters:

c - the C value.

w - the W value.

Returns:

the count.

numC

public double numC(int c)

Returns #(C = c).

Specified by:

numC in class CorpusCounter

Parameters:

c - the C value.

Returns:

the count.

numW

public double numW(java.lang.Object w)

Returns #(W = w).

Specified by:

numW in class CorpusCounter

Parameters:

w - the W value.

Returns:

the count.

num

public double num()

Returns the total number of samples.

Specified by:

num in class CorpusCounter

Returns:

the count.