Struct Streaming 

pub struct Streaming {
    n: u64,
    mean: f64,
    m2: f64,
    min: f64,
    max: f64,
}

Streaming mean/variance via Welford’s online algorithm (O(1) memory).

Fields

n: u64

mean: f64

m2: f64

min: f64

max: f64

Implementations

impl Streaming

pub fn new() -> Self

pub fn push(&mut self, x: f64)

pub fn push_all(&mut self, values: impl IntoIterator<Item = f64>)

pub fn merge(&mut self, other: &Streaming)

pub fn count(&self) -> u64

pub fn mean(&self) -> f64

pub fn variance(&self) -> f64

Sample variance (Bessel’s correction: n-1 denominator).

pub fn variance_pop(&self) -> f64

pub fn std_dev(&self) -> f64

pub fn std_dev_pop(&self) -> f64

pub fn min(&self) -> f64

pub fn max(&self) -> f64

pub fn cv(&self) -> f64

Coefficient of variation.

Trait Implementations

impl Clone for Streaming

fn clone(&self) -> Streaming

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Streaming

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

Formats the value using the given formatter.

impl Default for Streaming

fn default() -> Streaming

Returns the “default value” for a type.

impl Extend<f64> for Streaming

fn extend<I>(&mut self, iter: I)

where I: IntoIterator<Item = f64>,

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl FromIterator<f64> for Streaming

fn from_iter<I>(iter: I) -> Self

where I: IntoIterator<Item = f64>,

Creates a value from an iterator.