data.table is written primarily in C. But R happens to have a very good package ... | Hacker News

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hugh-avherald on March 14, 2021 | parent | context | favorite | on: I wrote one of the fastest DataFrame libraries

data.table is written primarily in C. But R happens to have a very good package system and a very good interface to C code.

And Matt Dowle has bled for that C code.

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