DiscreteDistribution

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java.lang.Object
- jhplot.math.num.pdf.DiscreteDistribution

All Implemented Interfaces:

Distribution

Direct Known Subclasses:

Binomial, Geometric, Hypergeometric, NegativeBinomial, Poisson
```
public abstract class DiscreteDistribution
extends java.lang.Object
implements Distribution
```
Base discrete distribution.

Since:

1.2

Constructor Summary

Constructors
Constructor and Description

DiscreteDistribution()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`abstract double`	`cumulativeProbability(int x)` The CDF for this distribution.
`abstract int`	`inverseCumulativeProbability(double p)` The inverse CDF for this distribution.
`abstract double`	`probability(int x)` The PMF for this distribution.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DiscreteDistribution
```
public DiscreteDistribution()
```
- Method Detail
  - cumulativeProbability
```
public abstract double cumulativeProbability(int x)
                                      throws NumericException
```
    The CDF for this distribution. This method returns P(X ≤ x).
    
    Parameters:
    
    x - the value at which the CDF is evaluated.
    
    Returns:
    
    CDF for this distribution.
    
    Throws:
    
    NumericException - if the cumulative probability can not be computed.
  - inverseCumulativeProbability
```
public abstract int inverseCumulativeProbability(double p)
                                          throws NumericException
```
    The inverse CDF for this distribution. This method returns the largest x such that, P(X ≤ x) ≤ p.
    
    Parameters:
    
    p - the cumulative probability.
    
    Returns:
    
    x
    
    Throws:
    
    NumericException - if the inverse cumulative probability can not be computed.
  - probability
```
public abstract double probability(int x)
                            throws NumericException
```
    The PMF for this distribution. This method returns P(X = x).
    
    Parameters:
    
    x - the value at which the probability is evaluated.
    
    Returns:
    
    PMF for this distribution.
    
    Throws:
    
    NumericException - if the probability can not be computed.

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JHepSim. A part of HSTOOLS. version-1.2