Struct tfidf::tf::BinaryTf

pub struct BinaryTf;

Binary weighting scheme for TF. If the document contains the term, returns 1, otherwise returns 0.

Trait Implementations

impl Copy for BinaryTf

impl Clone for BinaryTf

fn clone(&self) -> BinaryTf

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Tf<T> for BinaryTf where
    T: NaiveDocument, 

fn tf<K>(term: K, doc: &T) -> f64 where
    K: Borrow<T::Term>, 

Returns the weighted or unweighted term frequency (tf) for a single term within a document.