Enum ModifiedZScore 

pub enum ModifiedZScore {
    Defined {
        score: f64,
        median: f64,
        mad: f64,
    },
    ZeroMad {
        median: f64,
        observation: f64,
    },
}

Result of comparing one observation with a rolling median/MAD summary.

The modified z-score is 0.67448975... * (x - median) / MAD. A zero MAD makes that expression undefined and is represented explicitly instead of returning a non-finite number or silently inventing a fallback scale.

Variants

Defined

The score is finite and defined.

Fields

score: f64

Modified z-score for the supplied observation.

median: f64

Median used to compute the score.

mad: f64

Raw MAD used to compute the score.

ZeroMad

The current window has zero MAD, so no score is defined.

Fields

median: f64

Median of the zero-scale window.

observation: f64

Observation the caller attempted to score.

Implementations

impl ModifiedZScore

pub const fn score(&self) -> Option<f64>

Return the finite score, or None when the current MAD is zero.

Trait Implementations

impl Clone for ModifiedZScore

fn clone(&self) -> ModifiedZScore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ModifiedZScore

impl Debug for ModifiedZScore

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

Formats the value using the given formatter.

impl PartialEq for ModifiedZScore

fn eq(&self, other: &ModifiedZScore) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ModifiedZScore