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somewhat bewildering output for csv2 switch 27 days ago
AI Summary: The task is to debug a C++ DataFrame library. The user is encountering unexpected output when using the `groupby()` function with the `csv2` output format. The output in CSV format shows inconsistencies in the number of rows, while the JSON output shows a different issue. The goal is to identify and fix the bug in the `groupby()` function's handling of the `csv2` output format, ensuring consistent and correct output.
Complexity:
4/5
help wanted
C++ DataFrame for statistical, financial, and ML analysis in modern C++
C++
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