I have been trying to improve Julia’s DataFrame group-by for a while now and I think I am able to synthesized my thinking into APIs. Here are my synthesized recommendation (as of 25th Feb 2018) Recommendation Why? Benchmark Status If you need to perform group-by A LOT use JuliaDB.jl/Indexe…

Group-by performance benchmarks and recommendations

datnamer February 17, 2019, 1:34am 11

also query.jl

Topic		Replies	Views
A minor group-by benchmark - DataFrames.jl plenty fast General Usage	5	505	August 27, 2020
What functions/packages should I use to sort and "group by" as fast as possible...? Performance sort , dataframes	4	1484	December 16, 2018
Julia performs poorly on group-by benchmarks Data performance	48	6002	January 23, 2019
Tables package for fast grouping and filtering? Performance package	18	1658	December 8, 2019
Serious group-by performance issue with Query.jl Data	26	2422	October 13, 2019