org.apache.mahout.classifier.naivebayes

Class BayesUtils

java.lang.Object

org.apache.mahout.classifier.naivebayes.BayesUtils

public final class BayesUtils
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.mahout.math.map.OpenObjectIntHashMap<String>	readIndexFromCache(org.apache.hadoop.conf.Configuration conf)
static Map<Integer,String>	readLabelIndex(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path indexPath)
static NaiveBayesModel	readModelFromDir(org.apache.hadoop.fs.Path base, org.apache.hadoop.conf.Configuration conf)
static Map<String,org.apache.mahout.math.Vector>	readScoresFromCache(org.apache.hadoop.conf.Configuration conf)
static int	writeLabelIndex(org.apache.hadoop.conf.Configuration conf, Iterable<String> labels, org.apache.hadoop.fs.Path indexPath) Write the list of labels into a map file
static int	writeLabelIndex(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path indexPath, Iterable<Pair<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>> labels)

Methods inherited from class java.lang.Object

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

Method Detail

readModelFromDir

public static NaiveBayesModel readModelFromDir(org.apache.hadoop.fs.Path base,
                               org.apache.hadoop.conf.Configuration conf)

writeLabelIndex

public static int writeLabelIndex(org.apache.hadoop.conf.Configuration conf,
                  Iterable<String> labels,
                  org.apache.hadoop.fs.Path indexPath)
                           throws IOException

Write the list of labels into a map file

Throws:

IOException

writeLabelIndex

public static int writeLabelIndex(org.apache.hadoop.conf.Configuration conf,
                  org.apache.hadoop.fs.Path indexPath,
                  Iterable<Pair<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>> labels)
                           throws IOException

Throws:

IOException

readLabelIndex

public static Map<Integer,String> readLabelIndex(org.apache.hadoop.conf.Configuration conf,
                                 org.apache.hadoop.fs.Path indexPath)

readIndexFromCache

public static org.apache.mahout.math.map.OpenObjectIntHashMap<String> readIndexFromCache(org.apache.hadoop.conf.Configuration conf)
                                                                                  throws IOException

Throws:

IOException

readScoresFromCache

public static Map<String,org.apache.mahout.math.Vector> readScoresFromCache(org.apache.hadoop.conf.Configuration conf)
                                                                     throws IOException

Throws:

IOException