An ever updating average of the last n values.
npm install live-moving-averageAn ever updating average of the last n values. See Moving Average.
!ISC-licensed
!minimum Node.js version
Reuses the values array to prevent GC-thrashing. Does not slow down with an increasing window size:
``window size 10, 1 push, 1 get x 65,514,574 ops/sec ±0.62% (90 runs sampled)`
window size 10, 1 push, 10 get x 49,988,485 ops/sec ±0.28% (93 runs sampled)
window size 1000, 1 push, 1 get x 64,048,288 ops/sec ±0.42% (93 runs sampled)
window size 100, 1 push, 10 get x 49,012,149 ops/sec ±0.40% (95 runs sampled)
`shell`
npm install live-moving-average
`js
const createWindow = require('live-moving-average')
const avg = createWindow(3, 0) // size of 3, fill with 0
// using api fluently
avg
.push(2)
.push(3)
.push(4)
.get() // 3, because (2 + 3 + 4) / 3
avg.push(5)
avg.push(6)
avg.get() // 5, because (4 + 5 + 6) / 3
avg.push(7)
avg.get() // 6, because (5 + 6 + 7) / 3
`
size and fill must be a number.
val must be a number. w
Returns .
Returns the moving average.
If you have a question or need support using live-moving-average`, please double-check your code and setup first. If you think you have found a bug or want to propose a feature, use the issues page.