[palae]

R also has data.table, which extends data.frame and is pretty powerful and very fast

[hermitcrab]

R + data.table is a lot faster than Base R.

See a benchmark of Base R vs R + data.table (plus various other data wrangling solutions, including our own Easy Data Transform) at:

https://www.easydatatransform.com/data_wrangling_etl_tools.h...