Enum Distance 

pub enum Distance {
    Chebyshev,
    Cosine,
    Euclidean,
    Hamming,
    Jaccard,
    Manhattan,
    Minkowski(Number),
    Pearson,
    CosineNormalized,
    InnerProduct,
}

Variants

Chebyshev

Chebyshev distance.

Cosine

Cosine distance.

Euclidean

Euclidean distance.

Hamming

Hamming distance.

Jaccard

Jaccard distance.

Manhattan

Manhattan distance.

Minkowski(Number)

Minkowski distance with the supplied order.

Pearson

Pearson similarity.

CosineNormalized

Cosine distance for already-normalized vectors.

InnerProduct

Inner product similarity, transformed into a distance score.

Trait Implementations

impl Clone for Distance

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Distance

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

Formats the value using the given formatter.

impl Default for Distance

fn default() -> Self

Returns the “default value” for a type.

impl Eq for Distance

impl Hash for Distance

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Distance

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Distance

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for Distance

impl ToSql for Distance

fn fmt_sql(&self, f: &mut String, fmt: SqlFormat)

Format the type to a SQL string.

fn to_sql(&self) -> String

Convert the type to a SQL string.

fn to_sql_pretty(&self) -> String

Convert the type to a pretty-printed SQL string with indentation.