{"task": {"agent_timeout": 600, "task": "dacode-data-sa-014", "verifier_timeout": 600, "instruction": "All input files are under `/app`. Save your output file(s) under `/app/output`.\n\nAnalyze whether there is a significant shift in the relationship between mortgage delinquencies and portfolio returns before and after the 2008 financial crisis using a Chow test: split the data at June 30, 2008, run OLS regressions for both sub-periods, compute the Chow test statistic (and p-value if applicable), and save the result to \"result.csv\" with the column name exactly \"Chow test statistic\".", "memory": "4096m", "runnable": false, "difficulty": "medium", "language": "", "cpus": 1, "instruction_truncated": false, "category": "data-science", "compose": false, "has_solution": true, "oracle": null, "docker_image": "", "taskset": "dacode", "tags": ["data-processing", "coding", "data", "data-sa"]}, "runs": []}