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mealy: Mealy machines for processing time-series and ordered data.

[ algorithm, bsd3, library ] [ Propose Tags ] [ Report a vulnerability ]

mealy provides support for computing statistics (such as an average or a standard deviation) as current state. Usage is to supply a decay function representing the relative weights of recent values versus older ones, in the manner of exponentially-weighted averages. The library attempts to be polymorphic in the statistic which can be combined in applicative style.

Usage

>>> import Mealy

>>> fold ((,) <$> ma 0.9 <*> std 0.9) [1..100]
(91.00265621044142,9.472822805289121)

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Versions [RSS] 0.0.1, 0.0.2, 0.0.3, 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.4.1, 0.4.5.0, 0.5.0.0, 0.5.0.1, 0.5.1.0, 0.5.1.1
Change log ChangeLog.md
Dependencies adjunctions (>=4.0 && <5), base (>=4.7 && <5), containers (>=0.6 && <0.7), mwc-probability (>=2.3.1 && <2.4), numhask (>=0.10 && <0.12), numhask-array (>=0.10 && <0.12), primitive (>=0.7.2 && <0.9), profunctors (>=5.6.2 && <5.7), tdigest (>=0.2.1 && <0.4), text (>=1.2 && <2.1), vector (>=0.12.3 && <0.14), vector-algorithms (>=0.8.0 && <0.10) [details]
Tested with ghc ==8.10.7 || ==9.2.8 || ==9.4.5 || ==9.6.2
License BSD-3-Clause
Copyright Tony Day (c) 2013
Author Tony Day
Maintainer tonyday567@gmail.com
Uploaded by tonyday567 at 2023-08-23T04:37:00Z
Category algorithm
Home page https://github.com/tonyday567/mealy#readme
Bug tracker https://github.com/tonyday567/mealy/issues
Source repo head: git clone https://github.com/tonyday567/mealy
Distributions LTSHaskell:0.5.1.1, NixOS:0.5.0.1, Stackage:0.5.1.1
Reverse Dependencies 3 direct, 2 indirect [details]
Downloads 1474 total (77 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2023-08-23 [all 1 reports]