Struct RunningStatistics 

pub struct RunningStatistics { /* private fields */ }

Online running statistics (Welford’s method).

Implementations

impl RunningStatistics

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

Add a new value.

pub fn add_slice(&mut self, xs: &[f64])

Add multiple values.

pub fn count(&self) -> u64

Number of values added.

pub fn mean(&self) -> f64

Current mean.

pub fn variance(&self) -> f64

Sample variance (n-1 denominator).

pub fn pop_variance(&self) -> f64

Population variance (n denominator).

pub fn std_dev(&self) -> f64

Sample standard deviation.

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

Minimum value seen.

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

Maximum value seen.

pub fn reset(&mut self)

Reset all statistics.