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

Constructors in org.tribuo with parameters of type DataSource

Constructor and Description
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.data.columnar

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

Modifier and Type	Class and 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 and 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.

Uses of DataSource in org.tribuo.data.sql

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

Modifier and Type	Class and 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 and 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 and 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 and 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.
class	IDXDataSource<T extends Output<T>> A DataSource which can read IDX formatted data (i.e., MNIST).
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

Constructor and 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 and 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 and Description
E	Evaluator.evaluate(Model<T> model, DataSource<T> datasource) Evaluates the dataset using the supplied model, returning an immutable Evaluation of the appropriate type.
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.

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

Constructor and 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 and 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.regression.example

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

Modifier and Type	Class and 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).