Struct IncrementalStatistics 

pub struct IncrementalStatistics { /* private fields */ }

メモリ効率的な統計計算

Implementations

impl IncrementalStatistics

pub fn new() -> Self

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

データ点を追加（Welford’s online algorithm）

pub fn add_batch(&mut self, values: &[f64])

複数のデータ点を追加

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

他の統計と結合

pub fn mean(&self) -> f64

平均を取得

pub fn variance(&self) -> f64

分散を取得

pub fn std_dev(&self) -> f64

標準偏差を取得

pub fn count(&self) -> usize

サンプル数を取得

pub fn min(&self) -> f64

最小値を取得

pub fn max(&self) -> f64

最大値を取得

Trait Implementations

impl Clone for IncrementalStatistics

fn clone(&self) -> IncrementalStatistics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IncrementalStatistics

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

Formats the value using the given formatter.

impl Default for IncrementalStatistics

fn default() -> Self

Returns the “default value” for a type.