Struct StreamingPCA 

pub struct StreamingPCA { /* private fields */ }

Streaming PCA for real-time dimensionality reduction

Implementations

impl StreamingPCA

pub fn new(n_components: usize) -> Self

Create a new streaming PCA

pub fn with_config(self, config: StreamingConfig) -> Self

Configure the streaming PCA

pub fn partial_fit(&mut self, sample: &Array1<Float>) -> Result<()>

Update the PCA with a new data sample

pub fn transform(&self, x: &Array2<Float>) -> Result<Array2<Float>>

Transform new data using current components

pub fn components(&self) -> Option<&Array2<Float>>

Get the current components

pub fn explained_variance(&self) -> Option<&Array1<Float>>

Get the explained variance

pub fn is_drift_detected(&self) -> bool

Check if concept drift was detected

pub fn n_samples_seen(&self) -> usize

Get number of samples seen

pub fn force_update(&mut self) -> Result<()>

Force an immediate update of the decomposition (useful for real-time scenarios)

pub fn reset(&mut self)

Reset the streaming PCA (useful when drift is detected)

pub fn transform_sample(&self, sample: &Array1<Float>) -> Result<Array1<Float>>

Transform a single sample for real-time processing

pub fn reconstruction_error(&self, sample: &Array1<Float>) -> Result<Float>

Get reconstruction error for monitoring model quality in real-time

Trait Implementations

impl Clone for StreamingPCA

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 StreamingPCA

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

Formats the value using the given formatter.