Struct sbr::models::ewma::ImplicitEWMAModel

pub struct ImplicitEWMAModel { /* fields omitted */ }

Implicit EWMA model.

Methods

impl ImplicitEWMAModel

pub fn fit(     &mut self,     interactions: &CompressedInteractions ) -> Result<f32, FittingError>

Fit the EWMA model.

Trait Implementations

impl Debug for ImplicitEWMAModel

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

Formats the value using the given formatter.

impl Clone for ImplicitEWMAModel

fn clone(&self) -> ImplicitEWMAModel

Returns a copy of the value.

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

Performs copy-assignment from source.

impl OnlineRankingModel for ImplicitEWMAModel

type UserRepresentation = ImplicitUser

The representation the model computes from past interactions.

fn user_representation(     &self,     item_ids: &[ItemId] ) -> Result<Self::UserRepresentation, PredictionError>

Compute a user representation from past interactions.

fn predict(     &self,     user: &Self::UserRepresentation,     item_ids: &[ItemId] ) -> Result<Vec<f32>, PredictionError>

Given a user representation, rank item_ids according to how likely the user is to interact with them in the future.