https://github.com/joshuaclayton/moving-averages

https://github.com/joshuaclayton/moving-averages

haskell mathematics moving-average

Last synced: about 2 months ago
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• Host: GitHub
• URL: https://github.com/joshuaclayton/moving-averages
• Owner: joshuaclayton
• License: mit
• Created: 2017-05-04T23:26:41.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-05-12T22:45:00.000Z (over 7 years ago)
• Last Synced: 2024-02-21T10:22:02.151Z (10 months ago)
• Topics: haskell, mathematics, moving-average
• Language: Haskell
• Size: 26.4 KB
• Stars: 3
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# moving-averages

This is a library for calculating moving averages on lists of numbers.

## Usage

```haskell

import qualified Data.MovingAverage as MA

resultValues :: Floating a => MA.SmoothedResults a -> [a]

resultValues = map MA.srSmoothedValue . MA.srsResults

-- window of 2

resultValues <$> MA.simple 2 [5, 10, 20, 2]

-- Right [5.0, 7.5, 15.0, 11.0]

-- alpha of 0.5

resultValues <$> MA.singleExponential 0.5 [1, 2, 3, 4, 5]

-- Right [1, 1.5, 2.25, 3.125, 4.0625]

-- alpha of 0.5, beta of 0.1

resultValues <$> MA.doubleExponential 0.5 0.1 [3, 1, 4, 6, 8]

-- Right [3.0, 1.0, 1.5, 2.875, 4.71875]

```

## License

Copyright 2017 Josh Clayton. See the [LICENSE](LICENSE).