I had 2 doubts regarding dask dataframe API Is there any difference between dataframe apply and map_partitions functions in terms of performance? df.groupby(‘reviewerID’)[‘overall’].count(split_out=4, split_every=False) : what do the split_out and split_every arguments signify? I could not get…

@vigneshn1997 Those are both good questions! apply calls map_partitions internally , so they should both give you similar performance. As for split_out and split_every: For some context, Dask’s task graphs have a reduction step for groupby aggregations. split_out lets you set the number of parti…

Thank you @pavithraes for the detailed answer. This is really helpful for me.

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