Struct ExponentialMovingAverage 

pub struct ExponentialMovingAverage { /* private fields */ }

Exponential moving average calculator

Implementations

impl ExponentialMovingAverage

pub fn new(alpha: f64) -> AggregationResult<Self>

Create a new EMA with the given smoothing factor (0 < alpha <= 1)

pub fn with_span(span: f64) -> AggregationResult<Self>

Create an EMA with a span (number of periods)

pub fn update(&mut self, value: f64)

Update with a new value

pub fn value(&self) -> Option<f64>

Get the current EMA value

pub fn reset(&mut self)

Reset to initial state

Trait Implementations

impl Clone for ExponentialMovingAverage

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ExponentialMovingAverage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExponentialMovingAverage

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ExponentialMovingAverage

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.