dragon.ml.seqmodel.data
Class BasicDataset

java.lang.Object
  |
  +--dragon.ml.seqmodel.data.BasicDataset

All Implemented Interfaces:

Dataset

public class BasicDataset

extends java.lang.Object

implements Dataset

Basic data structure of a set of sequence data

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Constructor Summary

BasicDataset(int originalLabelNum, int markovOrder)

Method Summary

boolean	add(DataSequence seq)
Dataset	copy()
int	getLabelNum() Gets the number of unique labels.
int	getMarkovOrder() Gets the order of the markov chain
int	getOriginalLabelNum() Gets the number of original unique labels no matter what order the markov chain is.
boolean	hasNext() Tests if the next sequence exists
DataSequence	next() Reads out the next sequence
int	size() Gets the number of sequences in the dataset
void	startScan() Moves the pointer to the position before the first sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicDataset

public BasicDataset(int originalLabelNum,
                    int markovOrder)

Method Detail

copy

public Dataset copy()

size

public int size()

Description copied from interface: Dataset

Gets the number of sequences in the dataset

Specified by:

size in interface Dataset

Returns:

the number of sequences in the dataset

startScan

public void startScan()

Description copied from interface: Dataset

Moves the pointer to the position before the first sequence.

Specified by:

startScan in interface Dataset

hasNext

public boolean hasNext()

Description copied from interface: Dataset

Tests if the next sequence exists

Specified by:

hasNext in interface Dataset

Returns:

true if next sequence exists

next

public DataSequence next()

Description copied from interface: Dataset

Reads out the next sequence

Specified by:

next in interface Dataset

Returns:

the next sequence if any, otherwise null

add

public boolean add(DataSequence seq)

getLabelNum

public int getLabelNum()

Description copied from interface: Dataset

Gets the number of unique labels. If there are 4 original labels and the markov chain is of the second order, this method returns 16.

Specified by:

getLabelNum in interface Dataset

Returns:

the number of unique labels.

getOriginalLabelNum

public int getOriginalLabelNum()

Description copied from interface: Dataset

Gets the number of original unique labels no matter what order the markov chain is.

Specified by:

getOriginalLabelNum in interface Dataset

Returns:

the number of original unique labels no matter what order the markov chain is.

getMarkovOrder

public int getMarkovOrder()

Description copied from interface: Dataset

Gets the order of the markov chain

Specified by:

getMarkovOrder in interface Dataset

Returns:

the order of the markov chain