edu.illinois.cs.cogcomp.core.stats

Class Counter<T extends Serializable>

java.lang.Object

edu.illinois.cs.cogcomp.core.stats.Counter<T>

All Implemented Interfaces:

Serializable

public class Counter<T extends Serializable>
extends Object
implements Serializable

Create a counter for type T. T must be a type that implements a hash function and equals.

A counter keeps track of the count of a family of objects. It also tracks the max, argMax min, argMin.

Author:

Vivek Srikumar

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Counter()

Method Summary

Modifier and Type	Method and Description
boolean	contains(T item)
void	decrementCount(T object)
void	decrementCount(T object, double decrement)
double	getCount(T object)
Pair<T,Double>	getMax()
Pair<T,Double>	getMin()
List<T>	getSortedItems()
List<T>	getSortedItemsHighestFirst()
double	getTotal()
void	incrementCount(T object)
void	incrementCount(T object, double increment)
Set<T>	items()
Set<T>	keySet()
double	mean()
void	reset()
int	size()
double	std()

Methods inherited from class java.lang.Object

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

Constructor Detail

Counter

public Counter()

Method Detail

reset

public void reset()

incrementCount

public void incrementCount(T object,
                           double increment)

incrementCount

public void incrementCount(T object)

decrementCount

public void decrementCount(T object,
                           double decrement)

decrementCount

public void decrementCount(T object)

getCount

public double getCount(T object)

mean

public double mean()

std

public double std()

getMax

public Pair<T,Double> getMax()

getMin

public Pair<T,Double> getMin()

items

public Set<T> items()

contains

public boolean contains(T item)

size

public int size()

keySet

public Set<T> keySet()

getTotal

public double getTotal()

getSortedItems

public List<T> getSortedItems()

getSortedItemsHighestFirst

public List<T> getSortedItemsHighestFirst()