live-moving-average/example.js

An ever updating average of the last n values.

'use strict'

const createWindow = require('.')

const avgOfLast3 = createWindow(3, 0)
avgOfLast3.get() // 0

avgOfLast3
    .push(2)
    .push(3)
    .push(4)
    .get() // (2 + 3 + 4) / 3 = 3

avgOfLast3.push(5)
avgOfLast3.get() // (3 + 4 + 5) / 3 = 4