org.apache.mahout.math

Class MatrixUtils

java.lang.Object

org.apache.mahout.math.MatrixUtils

public final class MatrixUtils
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static String[]	invertDictionary(OpenObjectIntHashMap<String> termIdMap)
static Matrix	read(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path... modelPaths)
static OpenObjectIntHashMap<String>	readDictionary(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path... dictPath)
static void	write(org.apache.hadoop.fs.Path outputDir, org.apache.hadoop.conf.Configuration conf, VectorIterable matrix)

Methods inherited from class java.lang.Object

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

Method Detail

write

public static void write(org.apache.hadoop.fs.Path outputDir,
         org.apache.hadoop.conf.Configuration conf,
         VectorIterable matrix)
                  throws IOException

Throws:

IOException

read

public static Matrix read(org.apache.hadoop.conf.Configuration conf,
          org.apache.hadoop.fs.Path... modelPaths)
                   throws IOException

Throws:

IOException

readDictionary

public static OpenObjectIntHashMap<String> readDictionary(org.apache.hadoop.conf.Configuration conf,
                                          org.apache.hadoop.fs.Path... dictPath)

invertDictionary

public static String[] invertDictionary(OpenObjectIntHashMap<String> termIdMap)