Struct WeightedReservoirSampler 

pub struct WeightedReservoirSampler { /* private fields */ }

Weighted reservoir sampling for stratified sampling

Implementations

impl WeightedReservoirSampler

pub fn new(capacity: usize, weights: HashMap<String, f64>) -> Self

pub fn process_weighted_record( &mut self, record_index: usize, category: &str, ) -> bool

Process a record with associated weight category

pub fn get_sample_indices(&self) -> &[usize]

pub fn sampling_ratio(&self) -> f64

Trait Implementations

impl Clone for WeightedReservoirSampler

fn clone(&self) -> WeightedReservoirSampler

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WeightedReservoirSampler

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

Formats the value using the given formatter.