public class StudentDistribution extends Distribution
applet, CONTINUOUS, DISCRETE, MAXMGFXVAL, MAXMGFYVAL, MINMGFXVAL, MIXED, name
Constructor and Description |
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StudentDistribution()
This default constructor creates a new student distribuion with 1 degree
of freedom
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StudentDistribution(int n)
This general constructor creates a new student distribution with a
specified degrees of freedom
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Modifier and Type | Method and Description |
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double |
getCDF(double x)
This method computes the cumulative distribution function in terms of the
beta CDF
|
double |
getDegrees()
This method returns the degrees of freedom
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double |
getDensity(double x)
This method computes the getDensity function
|
double |
getMaxDensity()
This method returns the maximum value of the getDensity function
|
double |
getMean()
This method returns the mean
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java.lang.String |
getOnlineDescription()
This method returns an online description of this distribution.
|
double |
getSD()
This method returns the SD
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double |
getVariance()
This method returns the variance
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void |
initialize()
used for some subclass to initialize before being used
|
double |
inverseCDF(double probability)
Inverse of the cumulative Student's T distribution function.
|
void |
setDegrees(int n)
This method sets the degrees of freedom
|
double |
simulate()
This method simulates a value of the distribution
|
void |
valueChanged() |
addObserver, betaCDF, comb, factorial, findGFRoot, findRoot, gamma, gammaCDF, getDisplayPane, getDomain, getFailureRate, getGFDerivative, getGFSecondDerivative, getInstance, getLocalHelp, getMean, getMedian, getMGF, getMgfDomain, getName, getPGF, getPGFDomain, getQuantile, getSampleMoment, getSOCRDistributionFunctors, getSOCRDistributions, getType, getVariance, logGamma, paramEstimate, perm, sampleMean, sampleVar, setApplet, setDomain, setDomain, setMGFDomain, setMGFDomain, setMGFParameters, setMGFParameters, setMGFParameters, setMGFParameters, setParameters, setPGFDomain, setPGFDomain, setPGFParameters, setPGFParameters, setPGFParameters, setPGFParameters, update, valueChanged
createComponentSetter, createValueSetter, createValueSetter, createValueSetter, createValueSetter, getComponentSetter, getComponentSetters, getValueSetter, getValueSetters
public StudentDistribution(int n)
public StudentDistribution()
public void initialize()
Distribution
initialize
in class Distribution
public void valueChanged()
valueChanged
in class Distribution
public void setDegrees(int n)
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 getSD()
getSD
in class Distribution
public double getCDF(double x)
getCDF
in class Distribution
public double inverseCDF(double probability)
inverseCDF
in class Distribution
probability
- - a probability value in [0, 1]public double getDegrees()
public double simulate()
simulate
in class Distribution
public java.lang.String getOnlineDescription()
getOnlineDescription
in class Distribution