NAME

       Plucene::Search::Similarity - the score of a query

DESCRIPTION

       The score of a query for a given document.

METHODS

   norm
               my $norm = $sim->norm($num_term);

   byte_norm
               my $byte_norm = $sim->byte_norm($byte);

   tf
       Computes a score factor based on a term or phrase's frequency in a document.

   idf
       Computes a score factor for a phrase.

   coord
       Computes a score factor based on the fraction of all query terms that a document contains.