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java.lang.Object net.sf.doodleproject.numerics4j.statistics.distribution.DiscreteDistribution net.sf.doodleproject.numerics4j.statistics.distribution.NegativeBinomialDistribution
public class NegativeBinomialDistribution
The Negative Binomial distribution.
References:
Constructor Summary | |
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NegativeBinomialDistribution()
Default constructor. |
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NegativeBinomialDistribution(int r,
double p)
Create a distribution with the given number of successes and probability of success. |
Method Summary | |
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double |
cumulativeProbability(int x)
The CDF for this distribution. |
int |
getNumberOfSuccesses()
Access the number of successes. |
double |
getProbabilityOfSuccess()
Access probability of success. |
int |
inverseCumulativeProbability(double p)
The inverse CDF for this distribution. |
double |
probability(int x)
The PMF for this distribution. |
void |
setNumberOfSuccesses(int r)
Modify the number of successes. |
void |
setProbabilityOfSuccess(double p)
Modify probability of success. |
Methods inherited from class net.sf.doodleproject.numerics4j.statistics.distribution.DiscreteDistribution |
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findInverseCumulativeProbability, simpleCumulativeProbability |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NegativeBinomialDistribution()
public NegativeBinomialDistribution(int r, double p)
r
- the number of successes.p
- the probability of success.Method Detail |
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public double cumulativeProbability(int x) throws NumericException
cumulativeProbability
in class DiscreteDistribution
x
- the value at which the CDF is evaluated.
NumericException
- if the cumulative probability can not be
computed.public int getNumberOfSuccesses()
public double getProbabilityOfSuccess()
public int inverseCumulativeProbability(double p) throws NumericException
inverseCumulativeProbability
in class DiscreteDistribution
p
- the cumulative probability.
NumericException
- if the inverse cumulative probability can not be
computed.public double probability(int x)
probability
in class DiscreteDistribution
x
- the value at which the probability is evaluated.
public void setNumberOfSuccesses(int r)
r
- the new number of successes value.public void setProbabilityOfSuccess(double p)
p
- the new probability of success value.
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