javax.visrec.ml.data

Class BasicDataSet<E>

java.lang.Object

javax.visrec.ml.data.BasicDataSet<E>

Type Parameters:

E - Type of elements in data set

All Implemented Interfaces:

Iterable<E>, DataSet<E>

public class BasicDataSet<E>
extends Object
implements DataSet<E>

Basic implementation of DataSet interface. Provides a list of data set items with column info.

Author:

Zoran Sevarac

Nested Class Summary

Nested classes/interfaces inherited from interface javax.visrec.ml.data.DataSet

DataSet.Column, DataSet.Type

Field Summary

Fields

Modifier and Type	Field and Description
protected List<E>	items List of data set items in this data set

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BasicDataSet()
	BasicDataSet(DataSet.Column[] cols) Creates an instance of BasicDataSet
	BasicDataSet(List<E> elements) Creates an instance of BasicDataSet

Method Summary

Modifier and Type	Method and Description
String[]	getColumnNames()
List<E>	getItems() Get a collection of the items in the DataSet
String[]	getTargetNames() Get labels of target/output columns.
void	setColumnNames(String[] columnNames)
DataSet<E>[]	split(double... parts) Split data set into parts of specified sizes

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.visrec.ml.data.DataSet

add, addAll, clear, get, isEmpty, iterator, shuffle, shuffle, size, split, split, split, split

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

items

protected List<E> items

List of data set items in this data set

Constructor Detail

BasicDataSet

protected BasicDataSet()

BasicDataSet

public BasicDataSet(DataSet.Column[] cols)

Creates an instance of BasicDataSet

Parameters:

cols - columns of the data set.

BasicDataSet

public BasicDataSet(List<E> elements)

Creates an instance of BasicDataSet

Parameters:

elements - items of the data set.

Method Detail

getItems

public List<E> getItems()

Description copied from interface: DataSet

Get a collection of the items in the DataSet

Specified by:

getItems in interface DataSet<E>

Returns:

Collection

getTargetNames

public String[] getTargetNames()

Description copied from interface: DataSet

Get labels of target/output columns.

Specified by:

getTargetNames in interface DataSet<E>

Returns:

array with labels of target/output columns

setColumnNames

public void setColumnNames(String[] columnNames)

Specified by:

setColumnNames in interface DataSet<E>

getColumnNames

public String[] getColumnNames()

Specified by:

getColumnNames in interface DataSet<E>

split

public DataSet<E>[] split(double... parts)

Description copied from interface: DataSet

Split data set into parts of specified sizes

Specified by:

split in interface DataSet<E>

Parameters:

parts - specific sizes of DataSet

Returns:

array of DataSet