Random
bernoulli (p: number): 0|1
Generates a Bernoulli random variable.
| Name | Type | Default | Description |
|---|---|---|---|
p | number | 0.5 |
binomial (n: number, p: number): number
Generates a Binomial random variable.
| Name | Type | Default | Description |
|---|---|---|---|
n | number | 1 | |
p | number | 0.5 |
chiCDF (chi: number, deg: number): number
The chi CDF function.
| Name | Type | Default | Description |
|---|---|---|---|
chi | number | ||
deg | number |
exponential (l: number): number
Generates an exponential random variable.
| Name | Type | Default | Description |
|---|---|---|---|
l | number | 1 |
find (items: Array<T>): T
Randomly selects an element from an array.
| Name | Type | Default | Description |
|---|---|---|---|
items | Array<T> |
geometric (p: number): undefined|number
Generates a geometric random variable.
| Name | Type | Default | Description |
|---|---|---|---|
p | number | 0.5 |
integer (a: number, b: number): number
Generates a random integer between 0 and a, or between a and b.
| Name | Type | Default | Description |
|---|---|---|---|
a | number | ||
b | number |
integrate (fn: (x: number): number, xMin: number, xMax: number, dx: number): number
Riemann-integrates fn(x) from xMin to xMax with an interval size dx.
| Name | Type | Default | Description |
|---|---|---|---|
fn | (x: number): number | ||
xMin | number | ||
xMax | number | ||
dx | number | 1 |
normal (m: number, v: number): number
Generates a normal random variable with mean m and variance v.
| Name | Type | Default | Description |
|---|---|---|---|
m | number | 0 | |
v | number | 1 |
normalPDF (x: number, m: number, v: number): number
Generates pdf(x) for the normal distribution with mean m and variance v.
| Name | Type | Default | Description |
|---|---|---|---|
x | number | ||
m | number | 1 | |
v | number | 0 |
poisson (l: number): number
Generates a Poisson random variable.
| Name | Type | Default | Description |
|---|---|---|---|
l | number | 1 |
shuffle (a: Array<T>): Array<T>
Randomly shuffles the elements in an array a.
| Name | Type | Default | Description |
|---|---|---|---|
a | Array<T> |
smart (n: number, id: string): number
Returns a random number between 0 and n, but avoids returning the same number multiple times in a row.
| Name | Type | Default | Description |
|---|---|---|---|
n | number | ||
id | string |
uniform (a: number, b: number): number
Generates a uniform random variable.
| Name | Type | Default | Description |
|---|---|---|---|
a | number | 0 | |
b | number | 1 |