[R-pkgs] table.express: use dplyr verbs to build data.table expressions

[Alexis Sarda]

Hello everyone,

I like the expressiveness of dplyr's data manipulation verbs, but I also
appreciate the optimizations offered by data.table, so I figured: why not
both?

The table.express package leverages the rlang package to bridge dplyr and
data.table by essentially parsing and chaining the operations specified by
the verbs,
building expressions that are ultimately evaluated by data.table, letting
it handle optimizations as usual. Some custom verbs are also added to
facilitate building expressions that work on a subset of the data.

The package with single-table verbs is now on CRAN, and the documentation
can also be browsed online at
https://asardaes.github.io/table.express/index.html

Regards,
Alexis.

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