{"task": {"agent_timeout": 600, "task": "dacode-dm-csv-055", "verifier_timeout": 600, "instruction": "All input files are under `/app`. Save your output file(s) under `/app/output`.\n\nCalculate the cumulative returns of the portfolio (Portfolio) and the excess returns over the risk-free rate (Portfolio_Excess) based on FamaFrenchData over time. After completing the calculations, fill in the results in result.csv, ensuring the provided Date column is maintained.", "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", "dm", "dm-csv"]}, "runs": []}