Class NegativeBinomial

Negative binomial distribution: A discrete probability distribution that models the number of trials needed to achieve a specified number of successes in a series of Bernoulli trials, each with the same probability of success p.

Index

Constructors

constructor

new NegativeBinomial(r, p): NegativeBinomial
Create a Negative Binomial distribution.
Parameters
- r: number
  The number of successes.
- p: number
  The probability of a success.
Returns NegativeBinomial
- Defined in probability/NegativeBinomial/NegativeBinomial.ts:27

Properties

mean

mean: number

The mean of the distribution.

p

p: number

The probability of success.

r

r: number

The number of successes.

stdev

stdev: number

The standard deviation of the distribution.

variance

variance: number

The variance of the distribution.

Methods

pEqualTo

pEqualTo(x): number
Get the probability of exactly x failures before r successes occur.
Parameters
- x: number
  The number of failures.
Returns number
Return P(X=x).
- Defined in probability/NegativeBinomial/NegativeBinomial.ts:43

Class NegativeBinomial

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

Returns NegativeBinomial

Properties

mean

p

r

stdev

variance

Methods

pEqualTo

Parameters

Returns number

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