Struct MicroCluster 

pub struct MicroCluster {
    pub centroid: Array1<Float>,
    pub weight: Float,
    pub sum_squared: Float,
    pub creation_time: usize,
    pub last_update: usize,
    pub radius: Float,
}

Micro-cluster data structure for streaming algorithms

Fields

centroid: Array1<Float>

Cluster centroid

weight: Float

Cluster weight (number of points)

sum_squared: Float

Sum of squared distances to centroid

creation_time: usize

Creation timestamp

last_update: usize

Last update timestamp

radius: Float

Cluster radius

Implementations

impl MicroCluster

pub fn new(point: &ArrayView1<'_, Float>, timestamp: usize) -> Self

Create a new micro-cluster from a single point

pub fn update( &mut self, point: &ArrayView1<'_, Float>, timestamp: usize, learning_rate: Float, )

Update the micro-cluster with a new point

pub fn distance_to_centroid(&self, point: &ArrayView1<'_, Float>) -> Float

Calculate distance from point to cluster centroid

pub fn decay(&mut self, decay_factor: Float)

Apply decay factor to the cluster

pub fn should_remove(&self, min_weight: Float) -> bool

Check if the cluster should be removed due to low weight

pub fn density(&self) -> Float

Calculate cluster density

Trait Implementations

impl Clone for MicroCluster

fn clone(&self) -> MicroCluster

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MicroCluster

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

Formats the value using the given formatter.