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Java Source Code / Java Documentation » Science » Apache commons math 1.1 » org.apache.commons.math.stat.descriptive

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.apache.commons.math.stat.descriptive .SummaryStatistics

org.apache.commons.math.stat.descriptive .SummaryStatisticsImpl

SummaryStatisticsImpl
public class SummaryStatisticsImpl extends SummaryStatistics implements Serializable(Code)
	Provides a default SummaryStatistics implementation. version: $Revision: 348519 $ $Date: 2005-11-23 12:12:18 -0700 (Wed, 23 Nov 2005) $

Field Summary
protected GeometricMean	geoMean
protected Max	max
protected Mean	mean
protected Min	min
protected long	n
protected SecondMoment	secondMoment
protected Sum	sum
protected SumOfLogs	sumLog
protected SumOfSquares	sumsq
protected Variance	variance

Constructor Summary
public	SummaryStatisticsImpl()

Method Summary
public void	addValue(double value)
public void	clear()
public double	getGeometricMean() Returns the geometric mean of the values that have been added.
public double	getMax() Returns the maximum of the values that have been added.
public double	getMean() Returns the mean of the values that have been added.
public double	getMin() Returns the minimum of the values that have been added.
public long	getN()
public double	getStandardDeviation() Returns the standard deviation of the values that have been added.
public double	getSum() Returns the sum of the values that have been added to Univariate.
public double	getSumsq() Returns the sum of the squares of the values that have been added.
public double	getVariance() Returns the variance of the values that have been added.
public String	toString() Generates a text report displaying summary statistics from values that have been added.

Field Detail

geoMean
protected GeometricMean geoMean(Code)
	geoMean of values that have been added

max
protected Max max(Code)
	max of values that have been added

mean
protected Mean mean(Code)
	mean of values that have been added

min
protected Min min(Code)
	min of values that have been added

n
protected long n(Code)
	count of values that have been added

secondMoment
protected SecondMoment secondMoment(Code)
	SecondMoment is used to compute the mean and variance

sum
protected Sum sum(Code)
	sum of values that have been added

sumLog
protected SumOfLogs sumLog(Code)
	sumLog of values that have been added

sumsq
protected SumOfSquares sumsq(Code)
	sum of the square of each value that has been added

variance
protected Variance variance(Code)
	variance of values that have been added

Constructor Detail

SummaryStatisticsImpl
public SummaryStatisticsImpl()(Code)
	Construct a SummaryStatistics

Method Detail

addValue
public void addValue(double value)(Code)
	Add a value to the data Parameters: value - the value to add

clear
public void clear()(Code)
	Resets all statistics and storage

getGeometricMean
public double getGeometricMean()(Code)
	Returns the geometric mean of the values that have been added. Double.NaN is returned if no values have been added. the geometric mean

getMax
public double getMax()(Code)
	Returns the maximum of the values that have been added. Double.NaN is returned if no values have been added. the maximum

getMean
public double getMean()(Code)
	Returns the mean of the values that have been added. Double.NaN is returned if no values have been added. the mean

getMin
public double getMin()(Code)
	Returns the minimum of the values that have been added. Double.NaN is returned if no values have been added. the minimum

getN
public long getN()(Code)
	Returns the number of available values The number of available values

getStandardDeviation
public double getStandardDeviation()(Code)
	Returns the standard deviation of the values that have been added. Double.NaN is returned if no values have been added. the standard deviation

getSum
public double getSum()(Code)
	Returns the sum of the values that have been added to Univariate. The sum or Double.NaN if no values have been added

getSumsq
public double getSumsq()(Code)
	Returns the sum of the squares of the values that have been added. Double.NaN is returned if no values have been added. The sum of squares

getVariance
public double getVariance()(Code)
	Returns the variance of the values that have been added. Double.NaN is returned if no values have been added. the variance

toString
public String toString()(Code)
	Generates a text report displaying summary statistics from values that have been added. String with line feeds displaying statistics

Methods inherited from org.apache.commons.math.stat.descriptive.SummaryStatistics

abstract public void addValue(double v)(Code)(Java Doc)
abstract public void clear()(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
abstract public double getGeometricMean()(Code)(Java Doc)
abstract public double getMax()(Code)(Java Doc)
abstract public double getMean()(Code)(Java Doc)
abstract public double getMin()(Code)(Java Doc)
abstract public long getN()(Code)(Java Doc)
abstract public double getStandardDeviation()(Code)(Java Doc)
abstract public double getSum()(Code)(Java Doc)
public StatisticalSummary getSummary()(Code)(Java Doc)
abstract public double getSumsq()(Code)(Java Doc)
abstract public double getVariance()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public static SummaryStatistics newInstance(Class cls) throws InstantiationException, IllegalAccessException(Code)(Java Doc)
public static SummaryStatistics newInstance()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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