org.apache.mahout.math.hadoop.stochasticsvd

Class YtYJob

java.lang.Object

org.apache.mahout.math.hadoop.stochasticsvd.YtYJob

public final class YtYJob
extends Object

Job that accumulates Y'Y output

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	YtYJob.YtYMapper
static class	YtYJob.YtYReducer

Field Summary

Fields

Modifier and Type	Field and Description
static String	OUTPUT_YT_Y
static String	PROP_K
static String	PROP_OMEGA_SEED
static String	PROP_P

Method Summary

Modifier and Type	Method and Description
static void	run(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path[] inputPaths, org.apache.hadoop.fs.Path outputPath, int k, int p, long seed)

Methods inherited from class java.lang.Object

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

Field Detail

PROP_OMEGA_SEED

public static final String PROP_OMEGA_SEED

See Also:

Constant Field Values

PROP_K

public static final String PROP_K

See Also:

Constant Field Values

PROP_P

public static final String PROP_P

See Also:

Constant Field Values

OUTPUT_YT_Y

public static final String OUTPUT_YT_Y

See Also:

Constant Field Values

Method Detail

run

public static void run(org.apache.hadoop.conf.Configuration conf,
                       org.apache.hadoop.fs.Path[] inputPaths,
                       org.apache.hadoop.fs.Path outputPath,
                       int k,
                       int p,
                       long seed)
                throws ClassNotFoundException,
                       InterruptedException,
                       IOException

Throws:

ClassNotFoundException

InterruptedException

IOException