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|
-- |
-- Module : Statistics.Types
-- Copyright : (c) 2009 Bryan O'Sullivan
-- License : BSD3
--
-- Maintainer : bos@serpentine.com
-- Stability : experimental
-- Portability : portable
--
-- Types for working with statistics.
module Statistics.Types
(
Estimator
, Sample
, WeightedSample
, Weights
) where
import qualified Data.Vector.Unboxed as U (Vector)
-- | Sample data.
type Sample = U.Vector Double
-- | Sample with weights. First element of sample is data, second is weight
type WeightedSample = U.Vector (Double,Double)
-- | A function that estimates a property of a sample, such as its
-- 'mean'.
type Estimator = Sample -> Double
-- | Weights for affecting the importance of elements of a sample.
type Weights = U.Vector Double
|
