public final class WeibullDistribution extends ProbabilityDistribution
Constructor and Description |
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WeibullDistribution(double sh)
Constructs a Weibull distribution.
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Modifier and Type | Method and Description |
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double |
cumulative(double X)
Cumulative Weibull distribution function.
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double |
getMean()
Returns the mean.
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double |
getShapeParameter()
Returns the shape parameter.
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double |
getVariance()
Returns the variance.
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double |
inverse(double probability)
Inverse of the cumulative Weibull distribution function.
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double |
probability(double X)
Probability density function of a Weibull distribution.
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checkRange, checkRange, findRoot
public WeibullDistribution(double sh)
sh
- the shape.public double getShapeParameter()
public double getMean()
public double getVariance()
public double probability(double X)
probability
in class ProbabilityDistribution
X
- should be integer-valued.public double cumulative(double X)
cumulative
in class ProbabilityDistribution
X
- should be integer-valued.public double inverse(double probability)
inverse
in class ProbabilityDistribution