# dacode / dacode-data-sa-014 - taskset: [dacode](https://harnessreport.com/tasks/dacode.md) - difficulty: medium - category: data-science - language: - runnable from the site: no - agent timeout: 600s ## Results by harness _none yet_ ## Instruction ``` All input files are under `/app`. Save your output file(s) under `/app/output`. Analyze 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". ``` --- Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp