net.librec.data.splitter

Class AbstractDataSplitter

java.lang.Object

net.librec.conf.Configured

net.librec.data.splitter.AbstractDataSplitter

All Implemented Interfaces:

Configurable, DataSplitter

Direct Known Subclasses:

GivenNDataSplitter, GivenTestSetDataSplitter, KCVDataSplitter, LOOCVDataSplitter, RatioDataSplitter

public abstract class AbstractDataSplitter
extends Configured
implements DataSplitter

Abstract Data Splitter

Author:

WangYuFeng

Nested Class Summary

Nested classes/interfaces inherited from interface net.librec.data.DataSplitter

DataSplitter.SplitterType

Field Summary

Fields

Modifier and Type	Field and Description
protected DataConvertor	dataConvertor dataConvertor
protected org.apache.commons.logging.Log	LOG LOG
protected SparseMatrix	testMatrix testMatrix
protected SparseMatrix	trainMatrix trainMatrix
protected SparseMatrix	validationMatrix validationMatrix

Fields inherited from class net.librec.conf.Configured

conf, CONF_DATA_COLUMN_FORMAT, CONF_DATA_INPUT_PATH, CONF_DFS_DATA_DIR

Constructor Summary

Constructors

Constructor and Description
AbstractDataSplitter()

Method Summary

Methods

Modifier and Type	Method and Description
SparseMatrix	getTestData() (non-Javadoc)
SparseMatrix	getTrainData() (non-Javadoc)
SparseMatrix	getValidData() (non-Javadoc)
void	setDataConvertor(DataConvertor dataConvertor) Set the data convertor of this splitter.

Methods inherited from class net.librec.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.librec.data.DataSplitter

splitData

Field Detail

LOG

protected final org.apache.commons.logging.Log LOG

LOG

dataConvertor

protected DataConvertor dataConvertor

dataConvertor

trainMatrix

protected SparseMatrix trainMatrix

trainMatrix

testMatrix

protected SparseMatrix testMatrix

testMatrix

validationMatrix

protected SparseMatrix validationMatrix

validationMatrix

Constructor Detail

AbstractDataSplitter

public AbstractDataSplitter()

Method Detail

setDataConvertor

public void setDataConvertor(DataConvertor dataConvertor)

Description copied from interface: DataSplitter

Set the data convertor of this splitter.

Specified by:

setDataConvertor in interface DataSplitter

Parameters:

dataConvertor - the dataConvertor to set

getTrainData

public SparseMatrix getTrainData()

(non-Javadoc)

Specified by:

getTrainData in interface DataSplitter

Returns:

a SparseMatrix object built by the train set.

See Also:

DataModel.getTrainDataSet()

getTestData

public SparseMatrix getTestData()

(non-Javadoc)

Specified by:

getTestData in interface DataSplitter

Returns:

a SparseMatrix object built by the test set.

See Also:

DataModel.getTestDataSet()

getValidData

public SparseMatrix getValidData()

(non-Javadoc)

Specified by:

getValidData in interface DataSplitter

Returns:

a SparseMatrix object built by the valid set.

See Also:

DataModel.getValidDataSet()