org.apache.mahout.cf.taste.hadoop.als
Class DatasetSplitter
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.mahout.common.AbstractJob
org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public class DatasetSplitter
- extends AbstractJob
Split a recommendation dataset into a training and a test set
Command line arguments specific to this class are:
- --input (path): Directory containing one or more text files with the dataset
- --output (path): path where output should go
- --trainingPercentage (double): percentage of the data to use as training set (optional, default 0.9)
- --probePercentage (double): percentage of the data to use as probe set (optional, default 0.1)
Methods inherited from class org.apache.mahout.common.AbstractJob |
addFlag, addInputOption, addOption, addOption, addOption, addOption, addOutputOption, buildOption, buildOption, getAnalyzerClassFromOption, getCLIOption, getConf, getDimensions, getFloat, getFloat, getGroup, getInputFile, getInputPath, getInt, getInt, getOption, getOption, getOption, getOptions, getOutputFile, getOutputPath, getOutputPath, getTempPath, getTempPath, hasOption, keyFor, maybePut, parseArguments, parseArguments, parseDirectories, prepareJob, prepareJob, prepareJob, prepareJob, setConf, setS3SafeCombinedInputPath, shouldRunNextPhase |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DatasetSplitter
public DatasetSplitter()
main
public static void main(String[] args)
throws Exception
- Throws:
Exception
run
public int run(String[] args)
throws Exception
- Throws:
Exception
Copyright © 2008–2014 The Apache Software Foundation. All rights reserved.