Class BinarySparseSequenceDataset

java.lang.Object

smile.data.SimpleDataset<int[][],int[]>

smile.data.BinarySparseSequenceDataset

All Implemented Interfaces:

Iterable<SampleInstance<int[][],int[]>>, Dataset<int[][],int[]>

public class BinarySparseSequenceDataset
extends SimpleDataset<int[][],int[]>

Binary sparse sequence dataset. Each sequence element has sparse binary feature values.

Constructor Summary

Constructors

Constructor	Description
BinarySparseSequenceDataset(int p, int k, List<SampleInstance<int[][],int[]>> data)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	k()	Returns the number of classes of sequence elements.
static BinarySparseSequenceDataset	load(Path path)	Loads a sparse sequence dataset.
int	p()	Returns the number of features of sequence elements.
Tuple[][]	seq()	Returns the sequence data.
int[][]	tag()	Returns the sequence element label.
int[][]	x()	Returns the flatten sequence data.
int[]	y()	Returns the flatten sequence element label.

Methods inherited from class SimpleDataset

get, iterator, size, stream, toList

Methods inherited from class Object

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

Methods inherited from interface Dataset

apply, batch, isEmpty, toString

Methods inherited from interface Iterable

forEach, spliterator

Constructor Details

BinarySparseSequenceDataset

public BinarySparseSequenceDataset(int p,
 int k,
 List<SampleInstance<int[][],int[]>> data)

Constructor.

Parameters:

p - The number of features of sequence elements.

k - The number of classes of sequence elements.

data - The sample instances.

Method Details

p

public int p()

Returns the number of features of sequence elements.

Returns:

the number of features of sequence elements.

k

public int k()

Returns the number of classes of sequence elements.

Returns:

the number of classes of sequence elements.

seq

public Tuple[][] seq()

Returns the sequence data.

Returns:

the sequence data.

tag

public int[][] tag()

Returns the sequence element label.

Returns:

the sequence element label.

x

public int[][] x()

Returns the flatten sequence data.

Returns:

the flatten sequence data.

y

public int[] y()

Returns the flatten sequence element label.

Returns:

the flatten sequence element label.

load

public static BinarySparseSequenceDataset load(Path path)
                                        throws IOException

Loads a sparse sequence dataset.

Parameters:

path - the path to data file.

Returns:

the sparse sequence dataset.

Throws:

IOException - when fails to read the file.