org.wattdepot.common.analysis

Class DescriptiveStats

java.lang.Object

org.wattdepot.common.analysis.DescriptiveStats

public class DescriptiveStats
extends Object

DescriptiveStats - Simple way of getting descriptive statistics for different WattDepot measurement and interpolated values lists.

Author:

Cam Moore

Constructor Summary

Constructors

Constructor and Description
DescriptiveStats(InterpolatedValueList meas)
DescriptiveStats(MeasurementList meas)
DescriptiveStats(MeasurementList meas, String valueType)

Method Summary

Methods

Modifier and Type	Method and Description
void	addValue(double v)
void	clear()
double	getElement(int index)
double	getGeometricMean()
double	getKurtosis()
double	getMax()
double	getMean()
double	getMin()
long	getN()
double	getPercentile(double p) Returns an estimate for the pth percentile of the values.
double	getPopulationVariance()
double	getSkewness()
double[]	getSortedValues()
double	getStandardDeviation()
double	getSum()
double	getSumsq()
double[]	getValues()
double	getVariance()

Methods inherited from class java.lang.Object

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

Constructor Detail

DescriptiveStats

public DescriptiveStats(MeasurementList meas)

Parameters:

meas - MeasurementList.

DescriptiveStats

public DescriptiveStats(MeasurementList meas,
                String valueType)

Parameters:

meas - the Measurements.

valueType - The type of value to use either Labels.POINT or Labels.INTERVAL.

DescriptiveStats

public DescriptiveStats(InterpolatedValueList meas)

Parameters:

meas - MeasuredValueList.

Method Detail

addValue

public void addValue(double v)

Parameters:

v - the value to add.

See Also:

DescriptiveStatistics.addValue(double)

clear

public void clear()

See Also:

DescriptiveStatistics.clear()

getElement

public double getElement(int index)

Parameters:

index - the index.

Returns:

get the value at the index.

See Also:

DescriptiveStatistics.getElement(int)

getGeometricMean

public double getGeometricMean()

Returns:

the geometric mean of the values.

See Also:

DescriptiveStatistics.getGeometricMean()

getKurtosis

public double getKurtosis()

Returns:

the Kurtosis of the values.

See Also:

DescriptiveStatistics.getKurtosis()

getMax

public double getMax()

Returns:

the maximum value.

See Also:

DescriptiveStatistics.getMax()

getMean

public double getMean()

Returns:

the mean value.

See Also:

DescriptiveStatistics.getMean()

getMin

public double getMin()

Returns:

the minimum value.

See Also:

DescriptiveStatistics.getMin()

getN

public long getN()

Returns:

the number of values.

See Also:

DescriptiveStatistics.getN()

getPercentile

public double getPercentile(double p)

Returns an estimate for the pth percentile of the values.

Parameters:

p - the requested percentile scaled from 0 to 100.

Returns:

An estimate for the pth percentile.

See Also:

DescriptiveStatistics.getPercentile(double)

getPopulationVariance

public double getPopulationVariance()

Returns:

the population variance of the values.

See Also:

DescriptiveStatistics.getPopulationVariance()

getSkewness

public double getSkewness()

Returns:

the skewness of the values.

See Also:

DescriptiveStatistics.getSkewness()

getSortedValues

public double[] getSortedValues()

Returns:

the values in sorted order.

See Also:

DescriptiveStatistics.getSortedValues()

getStandardDeviation

public double getStandardDeviation()

Returns:

the standard deviation of the values.

See Also:

DescriptiveStatistics.getStandardDeviation()

getSum

public double getSum()

Returns:

the sum of the values.

See Also:

DescriptiveStatistics.getSum()

getSumsq

public double getSumsq()

Returns:

the sum of the square of the values

See Also:

DescriptiveStatistics.getSumsq()

getValues

public double[] getValues()

Returns:

an array of the values.

See Also:

DescriptiveStatistics.getValues()

getVariance

public double getVariance()

Returns:

the variance of the values.

See Also:

DescriptiveStatistics.getVariance()