{"kind":"assistant","text":"IV2SLS.from_formula('wm_turnout ~ 1 + left + wm_voters + enep + C(year) + [direct ~ new]').fit(cov_type='robust', debiased=True)","tool_calls":[{"args":{"dataset":"ref_iv","endog":["direct"],"exog":["left","wm_voters","enep","year_1924","year_1928","year_1932","year_1936","year_1940","year_1944"],"instruments":["new"],"se":"HC1","y":"wm_turnout"},"id":"script_1","name":"infer__iv_2sls"}]}