-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | Numerical statistics for Foldable containers
--   
--   Staf is a pure Haskell module that implements a safe interface to a
--   set of basic numerical statistics that only assume the Foldable
--   typeclass for the underlying container.
@package staf
@version 1.0.0


-- | Stats.Foldable is a pure Haskell module that implements a safe
--   interface to a set of basic numerical statistics that only assume the
--   Foldable typeclass for the underlying container.
module Stats.Foldable

-- | Compute the arithmetic mean of a population.
amean :: (Foldable f, Floating a) => f a -> Maybe a

-- | Find the minimal value of a series.
min :: (Foldable f, Ord a) => f a -> Maybe a

-- | Find the maximal value of a population.
max :: (Foldable f, Ord a) => f a -> Maybe a

-- | Compute the variance of a population.
var :: (Foldable f, Floating a) => f a -> Maybe a

-- | Compute the standard deviation of a population.
stddev :: (Foldable f, Floating a) => f a -> Maybe a

-- | Compute the covariance of two populations.
covar :: (Foldable f, Floating a) => f a -> f a -> Maybe a

-- | Compute the correlation of two populations.
correl :: (Foldable f, Floating a) => f a -> f a -> Maybe a