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moving-average
Advanced tools
Readme
Online calculation of Exponential Moving Average for Node.js.
Also suports Moving Variance, Moving Deviation and Forecast.
The following online algorithm is implemented:
diff := x - mean
incr := alpha * diff
mean := mean + incr
variance := (1 - alpha) * (variance + diff * incr)
forecast := mean + alpha * diff
$ npm install moving-average
var timeInterval = 5 * 60 * 1000; // 5 minutes
var MA = require('moving-average');
var ma = MA(timeInterval);
setInterval(function() {
ma.push(Date.now(), Math.random() * 500);
console.log('moving average now is', ma.movingAverage());
console.log('moving variance now is', ma.variance());
console.log('moving deviation now is', ma.deviation());
console.log('forecast is', ma.forecast());
});
MIT
FAQs
Exponential Moving Average
The npm package moving-average receives a total of 2,789 weekly downloads. As such, moving-average popularity was classified as popular.
We found that moving-average demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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