function analysis()
 {
     $caseId = $this->session->get('caseId');
     $models = ModelModel::loadAll($caseId);
     $scenarios = ScenarioModel::loadAll($caseId);
     $case = CaseModel::load($caseId);
     $query = QueryModel::load($caseId);
     $this->assign('models', $models);
     $this->assign('scenarios', $scenarios);
     $this->assign('case', $case);
     $this->assign('query', $query);
     $this->load->view('analysis_editor');
 }