Package org.api4.java.ai.ml.core.dataset

Interface IDataset<I extends IInstance>

All Superinterfaces:

java.util.Collection<I>, IDataSource<I>, IInstanceSchemaHandler, java.lang.Iterable<I>, java.util.List<I>

All Known Subinterfaces:

IDyadRankingDataset, ILabeledDataset<I>, ILabelRankingDataset, IMultiLabelClassificationDataset<I>, IRankingDataset<O,I>, IRegressionDataset, ISingleLabelClassificationDataset

public interface IDataset<I extends IInstance>
extends IDataSource<I>, java.util.List<I>

Method Summary

Modifier and Type	Method	Description
IDataset<I>	createCopy()	Creates a copy of the dataset with the same meta data.
IDataset<I>	createEmptyCopy()	Creates an empty copy of the dataset with the same meta data.
default java.lang.Class<?>	getClassOfInstances()
java.lang.Object[][]	getFeatureMatrix()
void	removeColumn(int columnPos)
void	removeColumn(java.lang.String columnName)
void	removeColumn(IAttribute attribute)

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface org.api4.java.ai.ml.core.dataset.schema.IInstanceSchemaHandler

getAttribute, getInstanceSchema, getListOfAttributes, getNumAttributes

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

add, add, addAll, addAll, clear, contains, containsAll, equals, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray

Method Detail

createEmptyCopy

IDataset<I> createEmptyCopy()
                     throws DatasetCreationException,
                            java.lang.InterruptedException

Description copied from interface: IDataSource

Creates an empty copy of the dataset with the same meta data.

Specified by:

createEmptyCopy in interface IDataSource<I extends IInstance>

Returns:

The newly created dataset.

Throws:

DatasetCreationException - Thrown, if an issue occurred while copying the meta data of the dataset.

java.lang.InterruptedException - Thrown, if the process of copying the meta data of the dataset has been interrupted.

createCopy

IDataset<I> createCopy()
                throws DatasetCreationException,
                       java.lang.InterruptedException

Description copied from interface: IDataSource

Creates a copy of the dataset with the same meta data.

Specified by:

createCopy in interface IDataSource<I extends IInstance>

Returns:

The newly created dataset.

Throws:

DatasetCreationException - Thrown, if an issue occurred while copying the meta data of the dataset.

java.lang.InterruptedException - Thrown, if the process of copying the meta data of the dataset has been interrupted.

getClassOfInstances

default java.lang.Class<?> getClassOfInstances()

getFeatureMatrix

java.lang.Object[][] getFeatureMatrix()

removeColumn

void removeColumn(int columnPos)

removeColumn

void removeColumn(java.lang.String columnName)

removeColumn

void removeColumn(IAttribute attribute)