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Groupby

Groupbys are an incredibly powerful and fast way to perform calculations, transformations, and filter your data. It follows the mantra of split-apply-combine where the dataset is split into multiple partitions based on unique values of a variable or variables, a function is applied on each partition separately, and all the results are combined together at the end.

This exercise is part of the course

Python for R Users

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Mean tip by sex
print(tips____(____)[____].____)
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