409   NISTProblem nist_problem(FLAGS_nist_data_dir + filename);  in RegressionDriver()  local
410   CHECK_EQ(num_residuals, nist_problem.response_size());  in RegressionDriver()
411   CHECK_EQ(num_parameters, nist_problem.num_parameters());  in RegressionDriver()
413   Matrix predictor = nist_problem.predictor();  in RegressionDriver()
414   Matrix response = nist_problem.response();  in RegressionDriver()
415   Matrix final_parameters = nist_problem.final_parameters();  in RegressionDriver()
422   for (int start = 0; start < nist_problem.num_starts(); ++start) {  in RegressionDriver()
423     Matrix initial_parameters = nist_problem.initial_parameters(start);  in RegressionDriver()
426     for (int i = 0; i < nist_problem.num_observations(); ++i) {  in RegressionDriver()
429               new Model(predictor.data() + nist_problem.predictor_size() * i,  in RegressionDriver()
430                         response.data() + nist_problem.response_size() * i)),  in RegressionDriver()
440     Matrix final_parameters = nist_problem.final_parameters();  in RegressionDriver()
469            nist_problem.certified_cost(),  in RegressionDriver()