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SSJ V. labo. |
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java.lang.Objectumontreal.iro.lecuyer.probdist.ContinuousDistribution
umontreal.iro.lecuyer.probdist.WeibullDist
public class WeibullDist
WeibullDist
This class extends the class ContinuousDistribution for the Weibull distribution[#!tJOH95a!#, page 628] with shape parameter α > 0, location parameter δ, and scale parameter λ > 0. The density function is
Field Summary |
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Fields inherited from class umontreal.iro.lecuyer.probdist.ContinuousDistribution |
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decPrec |
Constructor Summary | |
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WeibullDist(double alpha)
. |
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WeibullDist(double alpha,
double lambda,
double delta)
. |
Method Summary | |
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double |
barF(double x)
Returns the complementary distribution function. |
static double |
barF(double alpha,
double x)
. |
static double |
barF(double alpha,
double lambda,
double delta,
double x)
. |
double |
cdf(double x)
. |
static double |
cdf(double alpha,
double x)
. |
static double |
cdf(double alpha,
double lambda,
double delta,
double x)
. |
double |
density(double x)
Returns f (x), the density evaluated at x. |
static double |
density(double alpha,
double x)
. |
static double |
density(double alpha,
double lambda,
double delta,
double x)
. |
double |
getAlpha()
. |
double |
getDelta()
. |
static WeibullDist |
getInstanceFromMLE(double[] x,
int n)
. |
double |
getLambda()
. |
double |
getMean()
Returns the mean. |
static double |
getMean(double alpha,
double lambda,
double delta)
. |
static double[] |
getMLE(double[] x,
int n)
. |
double[] |
getParams()
. |
double |
getStandardDeviation()
Returns the standard deviation. |
static double |
getStandardDeviation(double alpha,
double lambda,
double delta)
. |
double |
getVariance()
Returns the variance. |
static double |
getVariance(double alpha,
double lambda,
double delta)
. |
double |
inverseF(double u)
Returns the inverse distribution function x = F-1(u). |
static double |
inverseF(double alpha,
double x)
. |
static double |
inverseF(double alpha,
double lambda,
double delta,
double u)
. |
void |
setParams(double alpha,
double lambda,
double delta)
. |
String |
toString()
. |
Methods inherited from class umontreal.iro.lecuyer.probdist.ContinuousDistribution |
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getXinf, getXsup, inverseBisection, inverseBrent, setXinf, setXsup |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public WeibullDist(double alpha)
public WeibullDist(double alpha, double lambda, double delta)
Method Detail |
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public double density(double x)
ContinuousDistribution
density
in class ContinuousDistribution
x
- value at which the density is evaluated
public double cdf(double x)
Distribution
public double barF(double x)
ContinuousDistribution
barF
in interface Distribution
barF
in class ContinuousDistribution
x
- value at which the complementary distribution function is evaluated
public double inverseF(double u)
ContinuousDistribution
inverseF
in interface Distribution
inverseF
in class ContinuousDistribution
u
- value at which the inverse distribution function is evaluated
public double getMean()
ContinuousDistribution
getMean
in interface Distribution
getMean
in class ContinuousDistribution
public double getVariance()
ContinuousDistribution
getVariance
in interface Distribution
getVariance
in class ContinuousDistribution
public double getStandardDeviation()
ContinuousDistribution
getStandardDeviation
in interface Distribution
getStandardDeviation
in class ContinuousDistribution
public static double density(double alpha, double lambda, double delta, double x)
public static double density(double alpha, double x)
public static double cdf(double alpha, double lambda, double delta, double x)
public static double cdf(double alpha, double x)
public static double barF(double alpha, double lambda, double delta, double x)
public static double barF(double alpha, double x)
public static double inverseF(double alpha, double lambda, double delta, double u)
public static double inverseF(double alpha, double x)
public static double[] getMLE(double[] x, int n)
public static WeibullDist getInstanceFromMLE(double[] x, int n)
public static double getMean(double alpha, double lambda, double delta)
public static double getVariance(double alpha, double lambda, double delta)
public static double getStandardDeviation(double alpha, double lambda, double delta)
public double getAlpha()
public double getLambda()
public double getDelta()
public void setParams(double alpha, double lambda, double delta)
public double[] getParams()
public String toString()
toString
in class Object
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SSJ V. labo. |
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