private function calculate_inference_result() { $method = $this->CI->config->item('fuzzy_inference_engine'); $this->_CI_load('library', 'fuzzy/Fuzzy_inference_engine', 'fuzzy_inference_engine'); $this->inference_result = Fuzzy_inference_engine::get_inference_result($this, $method); $this->integrated_score = $this->inference_result->get_defuzzy_code(); }