Benchmarking Arrow, Pandas, Julia, R, Spark

This page aims to benchmark various database-like tools popular in open-source data science. It runs regularly against very latest versions of these packages and automatically updates. We provide this as a service to both developers of these packages and … Read more

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Strings vs. Symbols in Julia’s DataFrames

In DataFrames.jl you can use both symbols and strings for column indexing. Which to choose is one of the topics that new users ask about most frequently. In this post I will explain why both options are supported and what is a difference between them. Not... (more…)

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