csgillespie/efficientR

para 6.4

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Claims that:

dplyr has a number of advantages over the base R and data.table approaches to data processing:
dplyr is fast to run (due to its C++ backend) and intuitive to type

No; even on a relatively small dataset such as nycflights13, data.table is at least 7 times faster than dplyr. With less code.