probability-0.2.5: Probabilistic Functional Programming

PortabilityMulti-parameter type class with functional dependency
Safe HaskellSafe-Inferred
LanguageHaskell98

Numeric.Probability.Object

Description

Abstract interface to probabilistic objects like random generators and probability distributions. It allows to use the same code both for computing complete distributions and for generating random values according to the distribution. The latter one is of course more efficient and may be used for approximation of the distribution by simulation.

Synopsis

Documentation

class Monad obj => C prob obj | obj -> prob where Source

Methods

fromFrequencies :: [(a, prob)] -> obj a Source

Instances

C Double T 
Fractional prob => C prob (T prob) 

type Spread obj a = [a] -> obj a Source

shape :: (C prob obj, Fractional prob) => (prob -> prob) -> Spread obj a Source

linear :: (C prob obj, Fractional prob) => Spread obj a Source

uniform :: (C prob obj, Fractional prob) => Spread obj a Source

negExp :: (C prob obj, Floating prob) => Spread obj a Source

normal :: (C prob obj, Floating prob) => Spread obj a Source

enum :: (C prob obj, Floating prob) => [Int] -> Spread obj a Source

relative :: (C prob obj, Floating prob) => [prob] -> Spread obj a Source

Give a list of frequencies, they do not need to sum up to 1.