probability-0.1: Computations with discrete random variables Source code Contents Index

Alarm

Contents Alarm network

Synopsis

type PBool = Dist Bool flp :: Float -> PBool b :: PBool e :: PBool a :: Bool -> Bool -> PBool j :: Bool -> PBool m :: Bool -> PBool data Burglary = B { burglary :: Bool earthquake :: Bool alarm :: Bool john :: Bool mary :: Bool } bJoint :: Dist Burglary pmj :: Probability

Documentation

type PBool = Dist Bool Source

flp :: Float -> PBool Source

Alarm network

b :: PBool Source

prior burglary 1%

e :: PBool Source

prior earthquake 0.1%

a :: Bool -> Bool -> PBool Source

conditional probability of alarm given burglary and earthquake

j :: Bool -> PBool Source

conditional probability of john calling given alarm

m :: Bool -> PBool Source

conditional probability of mary calling given alarm

data Burglary Source

calculate the full joint distribution Constructors B burglary :: Bool earthquake :: Bool alarm :: Bool john :: Bool mary :: Bool Instances Eq Burglary Ord Burglary Show Burglary

bJoint :: Dist Burglary Source

pmj :: Probability Source

what is the probability that mary calls given that john calls?

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