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86d333ee94
* chore: Switch to Node 20 + Vitest * chore: migrate to vitest mock functions * chore: code style (switch to prettier) * test: re-enable long-running test Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime! see #1193 * chore: code style * chore: fix failing tests * Updated Documentation in README.md * Update contribution guidelines to state usage of Prettier * fix: set prettier printWidth back to 80 * chore: apply updated code style automatically * fix: set prettier line endings to lf again * chore: apply updated code style automatically --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
22 lines
630 B
JavaScript
22 lines
630 B
JavaScript
import { mean } from './AverageMean.js'
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/**
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*@function meanAbsoluteDeviation
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*@description Calculates the mean absolute deviation of list of numbers
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* @param {Integer} data
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* @returns meanAbsoluteDeviation([2,34,5,0,-2]) = 10.480
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* @url https://en.wikipedia.org/wiki/Average_absolute_deviation
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*/
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function meanAbsoluteDeviation(data) {
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if (!Array.isArray(data)) {
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throw new TypeError('Invalid Input')
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}
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let absoluteSum = 0
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const meanValue = mean(data)
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for (const dataPoint of data) {
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absoluteSum += Math.abs(dataPoint - meanValue)
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}
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return absoluteSum / data.length
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}
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export { meanAbsoluteDeviation }
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