moving-average:移动平均线

移动平均 在线计算Node.js的指数移动平均值。 还支持移动方差，移动偏差和预测。 实现了在线算法： diff := x - mean incr := alpha * diff mean := mean + incr variance := (1 - alpha) * (variance + diff * incr) forecast := mean + alpha * diff 安装 $ npm install moving-average 用 var timeInterval = 5 * 60 * 1000 ; // 5 minutes var MA = require ( 'moving-average' ) ; var ma = MA ( timeInterval ) ; setInterval ( function ( ) { ma . push ( Date .