Uses of Interface
org.tribuo.DataSource

Packages that use DataSource

Package	Description
org.tribuo	Provides the core interfaces and classes for using Tribuo.
org.tribuo.anomaly.example	Provides anomaly data generators used for demos and testing implementations.
org.tribuo.classification.example	Provides a multiclass data generator used for testing implementations, along with several synthetic data generators for 2d binary classification problems to be used in demos or tutorials.
org.tribuo.clustering.example	Provides clustering data generators used for demos and testing implementations.
org.tribuo.data.columnar	Provides classes for processing columnar data and generating Examples.
org.tribuo.data.csv	Provides classes which can load columnar data (using a RowProcessor) from a CSV (or other character delimited format) file.
org.tribuo.data.sql	Provides classes which can load columnar data (using a RowProcessor) from a SQL source.
org.tribuo.data.text	Provides interfaces for converting text inputs into Features and Examples.
org.tribuo.data.text.impl	Provides implementations of text data processors.
org.tribuo.datasource	Simple data sources for ingesting or aggregating data.
org.tribuo.evaluation	Evaluation base classes, along with code for train/test splits and cross validation.
org.tribuo.json	Provides interop with JSON formatted data, along with tools for interacting with JSON provenance objects.
org.tribuo.multilabel.example	Provides a multi-label data generator for testing implementations and a configurable data source suitable for demos and tests.
org.tribuo.regression.example	Provides some example regression data generators for testing implementations.

Uses of DataSource in org.tribuo

Subinterfaces of DataSource in org.tribuo

Modifier and Type	Interface	Description
interface	ConfigurableDataSource<T extends Output<T>>	It's a DataSource that's also Configurable.

Constructors in org.tribuo with parameters of type DataSource

Modifier	Constructor	Description
protected	Dataset(DataSource<T> dataSource)	Creates a dataset.
	ImmutableDataset(DataSource<T> dataSource, FeatureMap featureIDMap, OutputInfo<T> outputIDInfo, boolean dropInvalidExamples)	Creates a dataset from a data source.
	ImmutableDataset(DataSource<T> dataSource, Model<T> model, boolean dropInvalidExamples)	Creates a dataset from a data source.
	MutableDataset(DataSource<T> dataSource)	Creates a dataset from a data source.

Uses of DataSource in org.tribuo.anomaly.example

Classes in org.tribuo.anomaly.example that implement DataSource

Modifier and Type	Class	Description
final class	GaussianAnomalyDataSource	Generates an anomaly detection dataset sampling each feature uniformly from a univariate Gaussian.

Uses of DataSource in org.tribuo.classification.example

Classes in org.tribuo.classification.example that implement DataSource

Modifier and Type	Class	Description
final class	CheckerboardDataSource	Creates a data source using a 2d checkerboard of alternating classes.
final class	ConcentricCirclesDataSource	A data source for two concentric circles, one per class.
class	DemoLabelDataSource	The base class for the 2d binary classification data sources in org.tribuo.classification.example.
final class	GaussianLabelDataSource	A data source for two classes generated from separate Gaussians.
final class	InterlockingCrescentsDataSource	A data source of two interleaved half circles.
final class	NoisyInterlockingCrescentsDataSource	A data source of two interleaved half circles with some zero mean Gaussian noise applied to each point.

Uses of DataSource in org.tribuo.clustering.example

Classes in org.tribuo.clustering.example that implement DataSource

Modifier and Type	Class	Description
final class	GaussianClusterDataSource	Generates a clustering dataset drawn from a mixture of 5 Gaussians.

Uses of DataSource in org.tribuo.data.columnar

Classes in org.tribuo.data.columnar that implement DataSource

Modifier and Type	Class	Description
class	ColumnarDataSource<T extends Output<T>>	A ConfigurableDataSource base class which takes columnar data (e.g., csv or DB table rows) and generates Examples.

Uses of DataSource in org.tribuo.data.csv

Classes in org.tribuo.data.csv that implement DataSource

Modifier and Type	Class	Description
class	CSVDataSource<T extends Output<T>>	A DataSource for loading separable data from a text file (e.g., CSV, TSV) and applying FieldProcessors to it.

Methods in org.tribuo.data.csv that return DataSource

Modifier and Type	Method	Description
DataSource<T>	CSVLoader.loadDataSource(URL csvPath, String responseName)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(URL csvPath, String responseName, String[] header)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(URL csvPath, Set<String> responseNames)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(URL csvPath, Set<String> responseNames, String[] header)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(Path csvPath, String responseName)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(Path csvPath, String responseName, String[] header)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(Path csvPath, Set<String> responseNames)	Loads a DataSource from the specified csv path.
DataSource<T>	CSVLoader.loadDataSource(Path csvPath, Set<String> responseNames, String[] header)	Loads a DataSource from the specified csv path.

Uses of DataSource in org.tribuo.data.sql

Classes in org.tribuo.data.sql that implement DataSource

Modifier and Type	Class	Description
class	SQLDataSource<T extends Output<T>>	A DataSource for loading columnar data from a database and applying FieldProcessors to it.

Uses of DataSource in org.tribuo.data.text

Classes in org.tribuo.data.text that implement DataSource

Modifier and Type	Class	Description
class	DirectoryFileSource<T extends Output<T>>	A data source for a somewhat-common format for text classification datasets: a top level directory that contains a number of subdirectories.
class	TextDataSource<T extends Output<T>>	A base class for textual data sets.

Uses of DataSource in org.tribuo.data.text.impl

Classes in org.tribuo.data.text.impl that implement DataSource

Modifier and Type	Class	Description
class	SimpleStringDataSource<T extends Output<T>>	A version of SimpleTextDataSource that accepts a List of Strings.
class	SimpleTextDataSource<T extends Output<T>>	A dataset for a simple data format for text classification experiments.

Uses of DataSource in org.tribuo.datasource

Classes in org.tribuo.datasource that implement DataSource

Modifier and Type	Class	Description
class	AggregateConfigurableDataSource<T extends Output<T>>	Aggregates multiple ConfigurableDataSources, uses AggregateDataSource.IterationOrder to control the iteration order.
class	AggregateDataSource<T extends Output<T>>	Aggregates multiple DataSources, uses AggregateDataSource.IterationOrder to control the iteration order.
final class	IDXDataSource<T extends Output<T>>	A DataSource which can read IDX formatted data (i.e., MNIST).
final class	LibSVMDataSource<T extends Output<T>>	A DataSource which can read LibSVM formatted data.
class	ListDataSource<T extends Output<T>>	A data source which wraps up a list of Examples along with their DataSourceProvenance and an OutputFactory.

Constructor parameters in org.tribuo.datasource with type arguments of type DataSource

Modifier	Constructor	Description
	AggregateDataSource(List<DataSource<T>> sources)	Creates an aggregate data source which will iterate the provided sources in the order of the list (i.e., using AggregateDataSource.IterationOrder.SEQUENTIAL.
	AggregateDataSource(List<DataSource<T>> sources, AggregateDataSource.IterationOrder order)	Creates an aggregate data source using the supplied sources and iteration order.

Uses of DataSource in org.tribuo.evaluation

Methods in org.tribuo.evaluation that return DataSource

Modifier and Type	Method	Description
DataSource<T>	TrainTestSplitter.getTest()	Gets the testing datasource.
DataSource<T>	TrainTestSplitter.getTrain()	Gets the training data source.

Methods in org.tribuo.evaluation with parameters of type DataSource

Modifier and Type	Method	Description
final E	AbstractEvaluator.evaluate(Model<T> model, DataSource<T> datasource)	Produces an evaluation for the supplied model and datasource, by calling Model.predict(org.tribuo.Example<T>) to create the predictions, then aggregating the appropriate statistics.
E	Evaluator.evaluate(Model<T> model, DataSource<T> datasource)	Evaluates the dataset using the supplied model, returning an immutable Evaluation of the appropriate type.

Constructors in org.tribuo.evaluation with parameters of type DataSource

Modifier	Constructor	Description
	TrainTestSplitter(DataSource<T> data)	Creates a splitter that splits a dataset 70/30 train and test using a default seed.
	TrainTestSplitter(DataSource<T> data, double trainProportion, long seed)	Creates a splitter that will split the given data set into a training and testing set.
	TrainTestSplitter(DataSource<T> data, long seed)	Creates a splitter that splits a dataset 70/30 train and test.

Uses of DataSource in org.tribuo.json

Classes in org.tribuo.json that implement DataSource

Modifier and Type	Class	Description
class	JsonDataSource<T extends Output<T>>	A DataSource for loading data from a JSON text file and applying FieldProcessors to it.

Uses of DataSource in org.tribuo.multilabel.example

Classes in org.tribuo.multilabel.example that implement DataSource

Modifier and Type	Class	Description
final class	MultiLabelGaussianDataSource	Generates a multi label output drawn from a series of functions.

Uses of DataSource in org.tribuo.regression.example

Classes in org.tribuo.regression.example that implement DataSource

Modifier and Type	Class	Description
class	GaussianDataSource	Generates a single dimensional output drawn from N(slope*x + intercept,variance).
class	NonlinearGaussianDataSource	Generates a single dimensional output drawn from N(w_0*x_0 + w_1*x_1 + w_2*x_1*x_0 + w_3*x_1*x_1*x_1 + intercept,variance).