Path: blob/main/devel/R-cran-data.table/pkg-descr
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Fast aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast add/modify/delete of columns by group using no copies at all, list columns and a fast file reader (fread). Offers a natural and flexible syntax, for faster development. WWW: https://cran.r-project.org/web/packages/data.table/