Struct WelfordState 

pub struct WelfordState {
    pub count: u64,
    pub mean: f64,
    pub m2: f64,
    /* private fields */
}

Fields

count: u64

mean: f64

m2: f64

Implementations

impl WelfordState

pub fn with_window(size: usize) -> Self

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

pub fn variance(&self) -> f64

pub fn std_dev(&self) -> f64

pub fn windowed_mean(&self) -> f64

pub fn windowed_std_dev(&self) -> f64

pub fn has_enough_data(&self) -> bool

Trait Implementations

impl Clone for WelfordState

fn clone(&self) -> WelfordState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WelfordState

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

Formats the value using the given formatter.

impl Default for WelfordState

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for WelfordState

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for WelfordState

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

where __S: Serializer,

Serialize this value into the given Serde serializer.