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rdatatable
data.table:Extension of `data.frame`
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, friendly and fast character-separated-value read/write. Offers a natural and flexible syntax, for faster development.
Maintained by Tyson Barrett. Last updated 5 days ago.
3.7k stars 23.51 score 230k scripts 4.6k dependentsr-lib
bit:Classes and Methods for Fast Memory-Efficient Boolean Selections
Provided are classes for boolean and skewed boolean vectors, fast boolean methods, fast unique and non-unique integer sorting, fast set operations on sorted and unsorted sets of integers, and foundations for ff (range index, compression, chunked processing).
Maintained by Michael Chirico. Last updated 21 days ago.
12 stars 15.15 score 131 scripts 3.2k dependents