{"kind":"assistant","text":"IV2SLS(y, [Intercept, lpopulation, lpotencial], lm_pob_mesa, lz_pob_mesa_f).fit(cov_type='clustered', clusters=muni_code)","tool_calls":[{"args":{"cluster":"muni_code","dataset":"ref_iv","endog":["lm_pob_mesa"],"exog":["lpopulation","lpotencial"],"instruments":["lz_pob_mesa_f"],"y":"e_vote_buying"},"id":"script_1","name":"infer__iv_2sls"}]}