pamMaths

Class STD

java.lang.Object

pamMaths.STD

public class STD
extends java.lang.Object

Calculate the mean and standard deviation of an double array.

Author:

Doug Gillespie

Constructor Summary

Constructors

Constructor and Description
STD()

Method Summary

Methods

Modifier and Type	Method and Description
double[]	getData() Get the data previously set with calls to STD and Mean funcs
double	getMean() Get the mean value calculated in a previous call to getSTD(double[] data) or getMean(double[] data)
double	getMean(double[] data) Calculate the mean and standard deviation using new data
double	getSkew() Get the skew as per page 612 or numerical recipes.
double	getSkew(double mean, double sig)
double	getSTD() Get the standard deviation calculated in a previous call to getSTD(double[] data) or getMean(double[] data)
double	getSTD(double[] data) Calculate the mean and standard deviation using new data

Methods inherited from class java.lang.Object

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

Constructor Detail

STD

public STD()

Method Detail

getSTD

public double getSTD(double[] data)

Calculate the mean and standard deviation using new data

Parameters:

data - data array

Returns:

standard deviation

getSTD

public double getSTD()

Get the standard deviation calculated in a previous call to getSTD(double[] data) or getMean(double[] data)

Returns:

standard deviation

getMean

public double getMean(double[] data)

Calculate the mean and standard deviation using new data

Parameters:

data - data array

Returns:

mean value

getMean

public double getMean()

Get the mean value calculated in a previous call to getSTD(double[] data) or getMean(double[] data)

Returns:

mean

getData

public double[] getData()

Get the data previously set with calls to STD and Mean funcs

Returns:

data array

getSkew

public double getSkew()

Get the skew as per page 612 or numerical recipes.

Returns:

the skew of the data

getSkew

public double getSkew(double mean,
             double sig)