Basic metrics in an ontology

  1. Get the total number of terms and relationships in a given ontology.
  1. Get the total number of terms and relationships in a given ontology:
    		
    			use OBO::Parser::OBOParser;
    			
    			my $my_parser = OBO::Parser::OBOParser->new();
    			my $ontology = $my_parser->work("my_obo_ontology.obo");
    			
    			print "My ontology has ", $onto->get_number_of_terms(), " terms\n";
    			
    			print "My ontology has ", $onto->get_number_of_relationships(), " relationships\n";