public class GumbelDistribution extends Distribution
applet, CONTINUOUS, DISCRETE, MAXMGFXVAL, MAXMGFYVAL, MINMGFXVAL, MIXED, name
Constructor and Description |
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GumbelDistribution()
Default constructor: creates a Gumbel distribution with alpha & beta
parameters equal to 0 & 1
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GumbelDistribution(double a,
double b)
General Constructor: creates a Gumbel distribution with specified alpha &
beta parameters
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Modifier and Type | Method and Description |
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double |
getCDF(double x)
Compute the cumulative distribution function.
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double |
getDensity(double x)
Define the Gumpbel getDensity function
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double |
getLeft()
Get the left paramter
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double |
getMaxDensity()
Compute the maximum getDensity
|
double |
getMean()
Compute the mean in closed form
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double |
getMGF(double t)
Computes the moment generating function in closed form for a
parameter t which lies in the domain of the distribution.
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java.lang.String |
getOnlineDescription()
This method returns an online description of this distribution.
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double |
getRight()
Get the right parameter
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double |
getVariance()
Compute the variance in closed form
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void |
initialize()
used for some subclass to initialize before being used
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void |
paramEstimate(double[] distData)
This method computed the MOM estimates of the parameters from a data series.
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void |
setLeft(double a)
Sets the left parameter
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void |
setParameters(double a,
double b)
Set the parameters, compute the normalizing constant c, and specifies the
interval and partition
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void |
setRight(double b)
Sets the right parameter
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void |
valueChanged() |
addObserver, betaCDF, comb, factorial, findGFRoot, findRoot, gamma, gammaCDF, getDisplayPane, getDomain, getFailureRate, getGFDerivative, getGFSecondDerivative, getInstance, getLocalHelp, getMean, getMedian, getMgfDomain, getName, getPGF, getPGFDomain, getQuantile, getSampleMoment, getSD, getSOCRDistributionFunctors, getSOCRDistributions, getType, getVariance, inverseCDF, logGamma, perm, sampleMean, sampleVar, setApplet, setDomain, setDomain, setMGFDomain, setMGFDomain, setMGFParameters, setMGFParameters, setMGFParameters, setMGFParameters, setParameters, setPGFDomain, setPGFDomain, setPGFParameters, setPGFParameters, setPGFParameters, setPGFParameters, simulate, update, valueChanged
createComponentSetter, createValueSetter, createValueSetter, createValueSetter, createValueSetter, getComponentSetter, getComponentSetters, getValueSetter, getValueSetters
public GumbelDistribution(double a, double b)
public GumbelDistribution()
public void initialize()
Distribution
initialize
in class Distribution
public void valueChanged()
valueChanged
in class Distribution
public void paramEstimate(double[] distData)
paramEstimate
in class Distribution
public void setParameters(double a, double b)
public void setLeft(double a)
public void setRight(double b)
public double getLeft()
public double getRight()
public double getDensity(double x)
getDensity
in class Distribution
public double getMaxDensity()
getMaxDensity
in class Distribution
public double getMean()
getMean
in class Distribution
public double getVariance()
getVariance
in class Distribution
public double getCDF(double x)
getCDF
in class Distribution
public double getMGF(double t) throws ParameterOutOfBoundsException
getMGF
in class Distribution
ParameterOutOfBoundsException
public java.lang.String getOnlineDescription()
getOnlineDescription
in class Distribution