movingaverage

Documentation

Index

• type Simple
  • func NewSimple(seed []float64) *Simple
  • func (a *Simple) Calculate() (result float64)
  • func (a *Simple) History() []float64
  • func (a *Simple) Next(next float64)

Types

type Simple

type Simple struct {
	// contains filtered or unexported fields
}

Simple keeps track of a history of measurements and returns the average. One important feature of this implementation is that the average can go to zero. All methods are thread safe.

Alternative: consider exponential moving average where near-zero values are treated as zero (for scale to zero):

func MovingExpAvg(value, oldValue, fdtime, ftime float64) float64 {
 alpha := 1.0 - math.Exp(-fdtime/ftime)
 r := alpha * value + (1.0 - alpha) * oldValue
 return r
}

func NewSimple

func NewSimple(seed []float64) *Simple

func (*Simple) Calculate

func (a *Simple) Calculate() (result float64)

func (*Simple) History

func (a *Simple) History() []float64

func (*Simple) Next

func (a *Simple) Next(next float64)