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Author: eyrei123

polars-groupby/README.md

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+This download contains materials designed to complement the RealPython tutorial [Aggregating and Grouping Data in Polars](https://realpython.com/aggregating-and-grouping-data-in-polars-groupby/).
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+You should create a new folder named aggregations on your computer and place each of these files inside it. You may also consider creating a [Python virtual environment](https://realpython.com/python-virtual-environments-a-primer/) within this folder.
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+Your download bundle contains the following files:
+
+course.parquet           - This file contains all data from both `maths.parquet` and `portuguese.parquet`.
+maths.parquet            - This file contains data relating to a mathematics class.
+portuguese.parquet       - This file contains data relating to a Portuguese language class.
+maths_classes.parquet    - This file contains data used in the time series analysis examples.
+
+tutorial_code.ipynb      - This file contains the code used in the tutorial.
+solutions.ipynb          - This file contains the solutions to the exercises.