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`pivot_table()` to `groupby().agg()` #9

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baziotis opened this issue Jul 31, 2023 · 0 comments

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pattern

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baziotis commented Jul 31, 2023

Instance of the original version

# Example:
df.pivot_table(index='Survived', values='Age', aggfunc='sum')

Instance of the faster version

# Example:
df.groupby('Survived').agg({'Age': 'sum'})

This is about 3x faster on the titanic dataset. We need to test more.

baziotis added the pattern label

baziotis changed the title ~~pivot_table to groupby().agg()~~ pivot_table() to groupby().agg()

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