{"kind":"assistant","text":"IV2SLS.from_formula('womens_rights73 ~ 1 + num_sib + [share_sis ~ closest]').fit(cov_type='clustered', clusters=PSU)","tool_calls":[{"args":{"cluster":"PSU","dataset":"ref_iv","endog":["share_sis"],"exog":["num_sib"],"instruments":["closest"],"y":"womens_rights73"},"id":"script_1","name":"infer__iv_2sls"}]}