Struct GaussianRandomProjection 

pub struct GaussianRandomProjection {
    pub components: Array2<f64>,
    pub n_components: usize,
    pub n_features_in: usize,
    pub seed: u64,
}

GaussianRandomProjection — entries of R are 𝒩(0, 1/k).

Fields

components: Array2<f64>

Projection matrix R ∈ ℝ^{k × d}.

n_components: usize

Kept rank.

n_features_in: usize

Input dimension.

seed: u64

Seed used at fit.

Implementations

impl GaussianRandomProjection

pub fn fit( x: ArrayView2<'_, f64>, n_components: usize, seed: u64, ) -> Result<Self>

Fit with the reference johnson_lindenstrauss_min_dim(n, eps = 0.1).

pub fn transform(&self, x: ArrayView2<'_, f64>) -> Result<Array2<f64>>

Transform.

Trait Implementations

impl Clone for GaussianRandomProjection

fn clone(&self) -> GaussianRandomProjection

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GaussianRandomProjection

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for GaussianRandomProjection

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for GaussianRandomProjection

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for GaussianRandomProjection

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for GaussianRandomProjection