org.apache.mahout.classifier.df.tools

Class FrequenciesJob

java.lang.Object

org.apache.mahout.classifier.df.tools.FrequenciesJob

Deprecated.

@Deprecated
public class FrequenciesJob
extends Object

Temporary class used to compute the frequency distribution of the "class attribute".
This class can be used when the criterion variable is the categorical attribute.

Constructor Summary

Constructors

Constructor and Description
FrequenciesJob(org.apache.hadoop.fs.Path base, org.apache.hadoop.fs.Path dataPath, org.apache.hadoop.fs.Path datasetPath) Deprecated.

Method Summary

Modifier and Type	Method and Description
int[][]	run(org.apache.hadoop.conf.Configuration conf) Deprecated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FrequenciesJob

public FrequenciesJob(org.apache.hadoop.fs.Path base,
                      org.apache.hadoop.fs.Path dataPath,
                      org.apache.hadoop.fs.Path datasetPath)

Deprecated.

Parameters:

base - base directory

dataPath - data used in the first step

Method Detail

run

public int[][] run(org.apache.hadoop.conf.Configuration conf)
            throws IOException,
                   ClassNotFoundException,
                   InterruptedException

Deprecated.

Returns:

counts[partition][label] = num tuples from 'partition' with class == label

Throws:

IOException

ClassNotFoundException

InterruptedException