{"kind":"assistant","text":"Wooldridge Example 13.3: OLS of the real house price on the 1981 dummy, the near-incinerator dummy and their interaction, usual OLS errors (Heiss's reproduction: lm(rprice ~ nearinc*y81)).","tool_calls":[{"args":{"controls":["y81","nearinc"],"dataset":"kielmc","se":"classical","x":["y81nrinc"],"y":"rprice"},"id":"script_1","name":"infer__ols"}]}