Copyright	(c) 2009 2011 Bryan O'Sullivan
License	BSD3
Maintainer	bos@serpentine.com
Stability	experimental
Portability	portable
Safe Haskell	None
Language	Haskell98

Statistics.Distribution.Poisson

Contents

Constructors
Accessors
References

Description

The Poisson distribution. This is the discrete probability distribution of a number of events occurring in a fixed interval if these events occur with a known average rate, and occur independently from each other within that interval.

Synopsis

Documentation

data PoissonDistribution Source #

Instances

Eq PoissonDistribution Source #
Methods (==) :: PoissonDistribution -> PoissonDistribution -> Bool # (/=) :: PoissonDistribution -> PoissonDistribution -> Bool #
Data PoissonDistribution Source #
Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> PoissonDistribution -> c PoissonDistribution # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c PoissonDistribution # toConstr :: PoissonDistribution -> Constr # dataTypeOf :: PoissonDistribution -> DataType # dataCast1 :: Typeable (* -> ) t => (forall d. Data d => c (t d)) -> Maybe (c PoissonDistribution) # dataCast2 :: Typeable ( -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c PoissonDistribution) # gmapT :: (forall b. Data b => b -> b) -> PoissonDistribution -> PoissonDistribution # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> PoissonDistribution -> r # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> PoissonDistribution -> r # gmapQ :: (forall d. Data d => d -> u) -> PoissonDistribution -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> PoissonDistribution -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> PoissonDistribution -> m PoissonDistribution # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> PoissonDistribution -> m PoissonDistribution # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> PoissonDistribution -> m PoissonDistribution #
Read PoissonDistribution Source #
Methods readsPrec :: Int -> ReadS PoissonDistribution # readList :: ReadS [PoissonDistribution] # readPrec :: ReadPrec PoissonDistribution # readListPrec :: ReadPrec [PoissonDistribution] #
Show PoissonDistribution Source #
Methods showsPrec :: Int -> PoissonDistribution -> ShowS # show :: PoissonDistribution -> String # showList :: [PoissonDistribution] -> ShowS #
Generic PoissonDistribution Source #
Associated Types type Rep PoissonDistribution :: * -> * # Methods from :: PoissonDistribution -> Rep PoissonDistribution x # to :: Rep PoissonDistribution x -> PoissonDistribution #
ToJSON PoissonDistribution Source #
Methods toJSON :: PoissonDistribution -> Value # toEncoding :: PoissonDistribution -> Encoding # toJSONList :: [PoissonDistribution] -> Value # toEncodingList :: [PoissonDistribution] -> Encoding #
FromJSON PoissonDistribution Source #
Methods parseJSON :: Value -> Parser PoissonDistribution # parseJSONList :: Value -> Parser [PoissonDistribution] #
Binary PoissonDistribution Source #
Methods put :: PoissonDistribution -> Put # get :: Get PoissonDistribution # putList :: [PoissonDistribution] -> Put #
Entropy PoissonDistribution Source #
Methods entropy :: PoissonDistribution -> Double Source #
MaybeEntropy PoissonDistribution Source #
Methods maybeEntropy :: PoissonDistribution -> Maybe Double Source #
Variance PoissonDistribution Source #
Methods variance :: PoissonDistribution -> Double Source # stdDev :: PoissonDistribution -> Double Source #
MaybeVariance PoissonDistribution Source #
Methods maybeVariance :: PoissonDistribution -> Maybe Double Source # maybeStdDev :: PoissonDistribution -> Maybe Double Source #
Mean PoissonDistribution Source #
Methods mean :: PoissonDistribution -> Double Source #
MaybeMean PoissonDistribution Source #
Methods maybeMean :: PoissonDistribution -> Maybe Double Source #
DiscreteDistr PoissonDistribution Source #
Methods probability :: PoissonDistribution -> Int -> Double Source # logProbability :: PoissonDistribution -> Int -> Double Source #
Distribution PoissonDistribution Source #
Methods cumulative :: PoissonDistribution -> Double -> Double Source # complCumulative :: PoissonDistribution -> Double -> Double Source #
type Rep PoissonDistribution Source #
type Rep PoissonDistribution = D1 (MetaData "PoissonDistribution" "Statistics.Distribution.Poisson" "statistics-0.14.0.2-9wDz1lVU92ZDJSrAe5uHzb" True) (C1 (MetaCons "PD" PrefixI True) (S1 (MetaSel (Just Symbol "poissonLambda") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Double)))

Constructors

poisson :: Double -> PoissonDistribution Source #

Create Poisson distribution.

poissonE :: Double -> Maybe PoissonDistribution Source #

Create Poisson distribution.

Accessors

poissonLambda :: PoissonDistribution -> Double Source #

References

Loader, C. (2000) Fast and Accurate Computation of Binomial Probabilities. http://projects.scipy.org/scipy/raw-attachment/ticket/620/loader2000Fast.pdf
Adell, J., Lekuona, A., and Yu, Y. (2010) Sharp Bounds on the Entropy of the Poisson Law and Related Quantities http://arxiv.org/pdf/1001.2897.pdf