org.apache.mahout.classifier.sgd

Interface RecordFactory

All Known Implementing Classes:

CsvRecordFactory

public interface RecordFactory

A record factor understands how to convert a line of data into fields and then into a vector.

Method Summary

Methods

Modifier and Type	Method and Description
void	defineTargetCategories(List<String> values)
void	firstLine(String line)
Iterable<String>	getPredictors()
List<String>	getTargetCategories()
Map<String,Set<Integer>>	getTraceDictionary()
RecordFactory	includeBiasTerm(boolean useBias)
RecordFactory	maxTargetValue(int max)
int	processLine(String line, Vector featureVector)
boolean	usesFirstLineAsSchema()

Method Detail

defineTargetCategories

void defineTargetCategories(List<String> values)

maxTargetValue

RecordFactory maxTargetValue(int max)

usesFirstLineAsSchema

boolean usesFirstLineAsSchema()

processLine

int processLine(String line,
              Vector featureVector)

getPredictors

Iterable<String> getPredictors()

getTraceDictionary

Map<String,Set<Integer>> getTraceDictionary()

includeBiasTerm

RecordFactory includeBiasTerm(boolean useBias)

getTargetCategories

List<String> getTargetCategories()

firstLine

void firstLine(String line)