org.datavec.api.transform.reduce

Interface IReducer

All Superinterfaces:

Serializable

All Known Implementing Classes:

Reducer

public interface IReducer
extends Serializable

A reducer aggregates or combines a set of examples into a single List

Method Summary

Modifier and Type	Method and Description
Schema	getInputSchema()
List<String>	getKeyColumns()
List<Writable>	reduce(List<List<Writable>> examplesList)
void	setInputSchema(Schema schema)
Schema	transform(Schema schema)

Method Detail

setInputSchema

void setInputSchema(Schema schema)

Parameters:

schema -

getInputSchema

Schema getInputSchema()

Returns:

transform

Schema transform(Schema schema)

Parameters:

schema -

Returns:

reduce

List<Writable> reduce(List<List<Writable>> examplesList)

Parameters:

examplesList -

Returns:

getKeyColumns

List<String> getKeyColumns()

Returns: