{"kind":"assistant","text":"Table 7.1, column (2): OLS of district test scores on the student-teacher ratio and the percentage of English learners, heteroskedasticity-robust (HC1) errors.","tool_calls":[{"args":{"controls":["elpct"],"dataset":"caschool","fe":[],"se":"HC1","x":["str"],"y":"testscr"},"id":"script_1","name":"infer__ols"}]}