Working with dates in Pandas DataFrames is an important skill for an analyst or data scientist.
Here's a quick example of how using date properties can shortcut the solution to a common grouping challenge.
Challenge data courtesy of Crispo Mwangi, Microsoft Excel MVP
https://mvp.microsoft.com/en-US/MVP/p...
The challenge:
/ crispo-mwangi-6ab49453_exceltips-excelform...
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