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java.lang.Object | +--statistic.distribution.GenericDistribution | +--statistic.distribution.GenericContinuousDistribution | +--statistic.distribution.InverseGaussianDistribution
Field Summary |
Fields inherited from class statistic.distribution.GenericDistribution |
name, paramNames, params |
Fields inherited from interface statistic.RandomGenerator |
random |
Constructor Summary | |
InverseGaussianDistribution()
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InverseGaussianDistribution(double[] params)
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InverseGaussianDistribution(double mu,
double sigma)
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Method Summary | |
double |
cdf(double x)
Returns the value of the cumulative distribution function at x |
double |
inverseCdf(double x)
Return the value of Inverse Function at x |
double |
mean()
Returns the mean of the distribution |
double |
pdf(double x)
Returns the value of the probability distribution function at x |
double |
rand()
Return a random value |
void |
setParam(int idx,
double p)
Positionne la valeur d'un ou de plusieurs parametres |
void |
setParams(double[] par)
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double |
var()
Returns the variance of the distribution |
Methods inherited from class statistic.distribution.GenericContinuousDistribution |
normalStandardCdf |
Methods inherited from class statistic.distribution.GenericDistribution |
getEquation, getName, getParam, getParamName, getParams, getParamsCount, getParamsNames |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public InverseGaussianDistribution()
public InverseGaussianDistribution(double mu, double sigma) throws java.lang.IllegalArgumentException
public InverseGaussianDistribution(double[] params) throws java.lang.IllegalArgumentException
Method Detail |
public void setParams(double[] par) throws java.lang.IllegalArgumentException
setParams
in class GenericDistribution
java.lang.IllegalArgumentException
public void setParam(int idx, double p) throws java.lang.IllegalArgumentException
GenericDistribution
setParam
in class GenericDistribution
java.lang.IllegalArgumentException
public double pdf(double x)
pdf
in class GenericDistribution
public double cdf(double x)
cdf
in class GenericDistribution
public double inverseCdf(double x)
inverseCdf
in class GenericContinuousDistribution
x
- with x>=0 and x<=1public double mean()
mean
in class GenericDistribution
public double var()
var
in class GenericDistribution
public double rand()
GenericDistribution
rand
in class GenericDistribution
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