Struct IncrementalPCA 

pub struct IncrementalPCA {
    pub mean: Array1<f64>,
    pub components: Array2<f64>,
    pub explained_variance: Array1<f64>,
    pub n_samples_seen: usize,
    pub n_components: usize,
}

Fitted IncrementalPCA.

Fields

mean: Array1<f64>

Overall sample mean.

components: Array2<f64>

Principal directions (k × d).

explained_variance: Array1<f64>

Explained-variance per component.

n_samples_seen: usize

Total sample size seen so far.

n_components: usize

Kept rank.

Implementations

impl IncrementalPCA

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

Fit in one call.

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

Project new rows into the fitted PC space.

Trait Implementations

impl Clone for IncrementalPCA

fn clone(&self) -> IncrementalPCA

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IncrementalPCA

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for IncrementalPCA

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for IncrementalPCA

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for IncrementalPCA

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 IncrementalPCA