Rio Project 4.2 API Documentation

org.rioproject.watch
Class Statistics

java.lang.Object
  org.rioproject.watch.Statistics

public class Statistics
extends Object

Class Statistics implements basic statistical formulae.

Constructor Summary

Statistics()
no arg constructor

Statistics(Iterable<Double> values)
Construct a new Statistics

Method Summary

void	addValue(double d)
void	addValue(Double double1)
void	clearAll() Removes all of the values in the internal collection.
int	count() Number of values in collection of values
Vector	getValues()
double	max() Get largest value in collection of values
double	mean() Get the average value in the collection of values
double	median() Get the median in the collection of values
double	min() Get smallest value in collection of values
double	mode() Get the mode
int	modeOccurrenceCount() Get the occurrences of the mode
double	range() Get the range
void	removeValue(int location)
void	removeValues(double d, boolean removeAll) Remove value
void	removeValues(Double double1, boolean removeAll) Remove value
void	removeValues(double low, double high) Remove values with a value between double1 and double2
void	removeValues(Double low, Double high) Remove values with a value between double1 and double2
void	setValues(Calculable[] calcs)
void	setValues(Iterable<Double> vals)
double	standardDeviation() Get the standard deviation
double	sum() Get the sum of all values

Methods inherited from class java.lang.Object

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

Constructor Detail

Statistics

public Statistics()

no arg constructor

Statistics

public Statistics(Iterable<Double> values)

Construct a new Statistics

Parameters:

values - initial values for new instance

Method Detail

clearAll

public void clearAll()

Removes all of the values in the internal collection.

count

public int count()

Number of values in collection of values

Returns:

int number of values

max

public double max()

Get largest value in collection of values

Returns:

double largest value

min

public double min()

Get smallest value in collection of values

Returns:

double smallest value

mean

public double mean()

Get the average value in the collection of values

Returns:

double the average value in collection

median

public double median()

Get the median in the collection of values

Returns:

double the middle value in the collection of values

mode

public double mode()

Get the mode

Returns:

double the value with the highest number of occurences

modeOccurrenceCount

public int modeOccurrenceCount()

Get the occurrences of the mode

Returns:

int count of the value with the highest number of occurences

range

public double range()

Get the range

Returns:

double the difference between the min and max

standardDeviation

public double standardDeviation()

Get the standard deviation

Returns:

double the dispersion from the mean

getValues

public Vector getValues()

addValue

public void addValue(Double double1)

addValue

public void addValue(double d)

setValues

public void setValues(Iterable<Double> vals)

setValues

public void setValues(Calculable[] calcs)

removeValues

public void removeValues(double d,
                         boolean removeAll)

Remove value

Parameters:

d - the double to remove

removeAll - false remove first occurrence; true remove all

removeValues

public void removeValues(Double double1,
                         boolean removeAll)

Remove value

Parameters:

double1 - the Double to remove

removeAll - false remove first occurrence; true remove all

removeValue

public void removeValue(int location)

removeValues

public void removeValues(Double low,
                         Double high)

Remove values with a value between double1 and double2

Parameters:

low - the lowest value to remove

high - the highest value to remove

removeValues

public void removeValues(double low,
                         double high)

Remove values with a value between double1 and double2

Parameters:

low - the lowest value to remove

high - the highest value to remove

sum

public double sum()

Get the sum of all values

Returns:

double the sum of all values