aima.util
Class Util

java.lang.Object
  aima.util.Util

public class Util
extends java.lang.Object

Field Summary

static java.lang.String	NO
static java.lang.String	YES

Constructor Summary

Util()

Method Summary

static <T> T	first(java.util.List<T> l)
static double	information(double[] probabilities)
static double	log2(double d)
static int	max(int i, int j)
static int	min(int i, int j)
static <T> T	mode(java.util.List<T> l)
static double[]	normalize(double[] probDist)
static java.util.List<java.lang.Double>	normalize(java.util.List<java.lang.Double> values)
static java.lang.String	ntimes(java.lang.String s, int n)
static boolean	randomBoolean()
static <T> java.util.List<T>	removeFrom(java.util.List<T> list, T member)
static <T> java.util.List<T>	rest(java.util.List<T> l)
static <T> T	selectRandomlyFromList(java.util.List<T> l)
static <T extends java.lang.Number> double	sumOfSquares(java.util.List<T> list)
static java.lang.String[]	yesno()

Methods inherited from class java.lang.Object

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

Field Detail

NO

public static final java.lang.String NO

See Also:

Constant Field Values

YES

public static final java.lang.String YES

See Also:

Constant Field Values

Constructor Detail

Util

public Util()

Method Detail

first

public static <T> T first(java.util.List<T> l)

rest

public static <T> java.util.List<T> rest(java.util.List<T> l)

randomBoolean

public static boolean randomBoolean()

normalize

public static double[] normalize(double[] probDist)

normalize

public static java.util.List<java.lang.Double> normalize(java.util.List<java.lang.Double> values)

min

public static int min(int i,
                      int j)

max

public static int max(int i,
                      int j)

selectRandomlyFromList

public static <T> T selectRandomlyFromList(java.util.List<T> l)

mode

public static <T> T mode(java.util.List<T> l)

yesno

public static java.lang.String[] yesno()

log2

public static double log2(double d)

information

public static double information(double[] probabilities)

removeFrom

public static <T> java.util.List<T> removeFrom(java.util.List<T> list,
                                               T member)

sumOfSquares

public static <T extends java.lang.Number> double sumOfSquares(java.util.List<T> list)

ntimes

public static java.lang.String ntimes(java.lang.String s,
                                      int n)