Group by on a mapped dataframe index
Sun Mar 27 2022 22:34:06 GMT+0000 (UTC)
Saved by @ianh #python #groupby
perform groupby on a dataframe index that is mapped to a category Note: Only works on an index column
https://www.udemy.com/course/the-ultimate-pandas-bootcamp-advanced-python-data-analysis/learn/lecture/19268906#overview
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