datafu.pig.stats.entropy

Class EntropyUtil

java.lang.Object

datafu.pig.stats.entropy.EntropyUtil

public class EntropyUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	LOG
static java.lang.String	LOG10
static java.lang.String	LOG2

Constructor Summary

Constructors

Constructor and Description
EntropyUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	isValidLogBase(java.lang.String base)
static double	logTransform(double h, java.lang.String base)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final java.lang.String LOG

See Also:

Constant Field Values

LOG2

public static final java.lang.String LOG2

See Also:

Constant Field Values

LOG10

public static final java.lang.String LOG10

See Also:

Constant Field Values

Constructor Detail

EntropyUtil

public EntropyUtil()

Method Detail

logTransform

public static double logTransform(double h,
                                  java.lang.String base)

isValidLogBase

public static boolean isValidLogBase(java.lang.String base)