{"kind":"assistant","text":"sm.OLS(l.multi, add_constant([D, TreatGroup, Post] + controls)).fit(cov_type='cluster') (CR1 errors with statsmodels' default G/(G-1)\u00b7(N-1)/(N-K) correction)","tool_calls":[{"args":{"cluster":"location","controls":["TreatGroup","Post","mht","population.th","own_rate","vacancy_rate","med_value.th","med_income.th","prop_min_elected_past12"],"dataset":"ref_panel","x":["D"],"y":"l.multi"},"id":"script_1","name":"infer__ols"}]}